Tag Archives: bearing carrier

China wholesaler Supplied by Chinese Manufacturers Industrial Household Motor Engine Deep Groove Ball Bearings 6036-2RS 6038-2RS 6040-2RS 6044-2RS Deep Groove Ball Bearing carrier bearing

Product Description

Introduction:

Introducing Our Zero-Class Deep Groove Ball Bearings for Your Needs!

Looking to enhance the performance of your industrial machinery? Your search ends here! Our Zero-Class Deep Groove Ball Bearings are engineered to offer a myriad of advantages, making them the perfect choice for your requirements.

1. Exceptional Precision: Our bearings are crafted with meticulous precision, ensuring minimal friction and optimal performance, thus enhancing the efficiency of your machinery.

2. High Load Capacity: Designed to withstand heavy axial and radial loads, our bearings guarantee reliable operation even in the most demanding applications.

3. Low Maintenance: Say goodbye to frequent downtime and maintenance costs. Our Zero-Class Deep Groove Ball Bearings are built to last, reducing the need for replacements.

4. Versatile Applications: Whether you operate in automotive, manufacturing, or any other industry, these bearings are versatile enough to meet a wide range of app

Parameter:

Product Name Ball bearing Xihu (West Lake) Dis.r bearing Piliow bilock bearing Needle roller bearing Thrust ball bearing
Brand Name  KSA
Material Gcr15
Precision Grade P0,P6,P5
Certification ISO 9001
Packeage Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement
MOQ Depending On Moedl
Serice OEM

Sample Available
Payment TT or L/C or Western Union
Port HangZhou

Elaborate In Detail

1.Open type without seal

No seal can directly see the bare steel ball, suitable for sealing environment, such as gear box, oil more environment.
Performance: Good idling effect, ultra-high speed

2.Rubber seal

The sealing material is skeleton rubber combination, which can effectively prevent the bearing external (liquid) foreign matter and impurities from intruding into the bearing internal damage and damage the bearing
Advantages: dustproof, anti-liquid foreign matter, low noise, suitable for harsh environment

3.Metal seal
The sealing material is made of stainless steel metal, which can effectively prevent the bearing external (wind sand) foreign matter and debris from invading the bearing external with internal damage and damage to the bearing
Advantages: Low friction, fast heat dissipation

 

Model  d mm D mm H mm W kg Model  d mm D mm H mm W kg
6000 10 26 8 0.019 6200 10 30 9 0.032
6001 12 38 8 0.571 6201 12 32 10 0.036
6002 15 32 9 0.03 6202 15 35 11 0.044
6003 17 35 10 0.04 6203 17 40 12 0.065
6004 20 42 12 0.069 6204 20 47 14 0.11
6005 25 47 12 0.08 6205 25 52 15 0.13
6006 30 55 13 0.116 6206 30 62 16 0.21
6007 35 62 14 0.155 6207 35 72 17 0.288
6008 40 68 15 0.185 6208 40 80 18 0.368
6009 45 75 16 0.231 6209 45 85 19 0.416
6571 50 80 16 0.25 6210 50 90 20 0.463
6011 55 90 18 0.362 6211 55 100 21 0.603
6012 60 95 18 0.385 6212 60 110 22 0.789
6013 65 100 18 0.408 6213 65 120 23 0.99
6014 70 110 20 0.62 6214 70 125 24 1.084
6015 75 115 20 0.63 6215 75 130 25 1.171
6016 80 125 22 0.86 6216 80 140 26 1.448
6017 85 130 22 0.94 6217 85 150 28 1.803
6018 90 140 24 1.38 6218 90 160 30 2.71
6019 95 145 24 1.5 6219 95 170 32 2.62
6571 100 150 24 1.63 6220 100 180 34 3.19

Product Analysis

 

Product Description

Noise Accuracy

           Bearing Noise                                                             Precision Tolerance

                   Bearing noise Z1.Z2.Z3.Z4 The Z1 decibel                                                                            Accuracy is divided into P0<P6<P5<P4

                   value is 33-38 decibels The Z2 decibel                                                                                  P0(ABCE-1) =+0-0.007MM

                   value is 28-32 decibels The Z3 decibel                                                                                  P6 (ABCE-3) =+0-0.006MM

                   value is 22-25 decibels The Z4 decibel                                                                                  P5 (ABCE-5) =+0-0.0005MM

                   value is 15-21 decibels Vibration and noise response life of bearings                              P4 (ABEC-7) =+0-0.004mm

                                                                                                                                                                  Level P0 products are used in most scenarios
                                                                                                                                                                  P5/P6 application precision level

Product Display

Company Profile

          ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings.
Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards.
Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation

Our Advantage:

1.Our products: with high quality, long life, high speed, low noise, low friction quality products

2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices

3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team

4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs

Scope of application

The products are suitable for: transmission, instrumentation, motor, household appliances, internal combustion engine, traffic vehicles, agricultural machinery, construction machinery, construction machinery roller skates, yo-yo ball, etc

FAQ

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance 
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
    We can custom your packaging according to your design All copyright own by clients and we  promised  don’t 
    disclose any info.
Q:How to contact us quickly?
A:Please send us an inquiry or message and leave your other contact information, such as phone number,
     account or account, we will contact you as soon as possible and provide the detailed information
 you need.
             Please feel free to contact us, if you have any other question

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Quality: High Quality
Inventory: Abundant
Major Market: Global
Samples:
US$ 2/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China wholesaler Supplied by Chinese Manufacturers Industrial Household Motor Engine Deep Groove Ball Bearings 6036-2RS 6038-2RS 6040-2RS 6044-2RS Deep Groove Ball Bearing   carrier bearingChina wholesaler Supplied by Chinese Manufacturers Industrial Household Motor Engine Deep Groove Ball Bearings 6036-2RS 6038-2RS 6040-2RS 6044-2RS Deep Groove Ball Bearing   carrier bearing
editor by CX 2024-05-15

China wholesaler Angular Contact Ball Bearings Famous Brand Bd 155-3A AC 4615 China Factory carrier bearing

Product Description

Product Description

 

 china factoryAngular Contact Ball Bearings AC 4615 BD155-3A

 

 Angular Contact Ball Bearing 

 1.High precision 
2.Wide range of use 
3.Open bearing 
4.Competitive price

 

Angular contact ball bearings are CZPT to support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, matched bearing mounting is often adopted to them. As matched pair of bearings, preload for them is more convenient. Retainer are made of brass, synthetic resins or others subject to individual bearing features and application conditions.

 

Angular contact ball bearing main purposes:

 

Single row angular contact ball bearings: machine tool spindles, high frequency motors, gas turbines, centrifuges, small car front, differential pinion shaft

Double row angular contact ball bearings: oil pump, Roots blower, air compressor, various types of transmission, fuel injection pumps, printing machine

 

Introduction:

 

Angular contact ball bearings have raceways in the inner and outer rings that are displaced with respect to each other in the direction of the bearing axis. This means that they are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.

 

The axial load carrying capacity of angular contact ball bearings increases with increasing contact angle. The contact angle α is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the load is transmitted from 1 raceway to another, and a line perpendicular to the bearing axis 

 

Applications:

 

 • Suitable for very high rotating speeds

 •Well suited for medium high radial and axial loads in one or both directions

 •Various seals and grease variants available for different operating conditions

 •Numerous clearance and tolerance classes available for different operating conditions

 •Application examples: electrical motors, general machinery, industrial gearboxes, pumps,agricultural machinery, etc.

 

high load capacity, super precision 
Best supplier with competitive price 
All brands

 

1:high precision Angular Contact Ball Bearings 

1):Basic features:

– Simple design 
– Inseparability 
– Easiness of assembly 
– High rates of rotation, especially for smaller and narrower series 
– Possibility of radial and partial axial load transfers in both directions

 

2):Versions:

– With one or two side rubber seal RS, 2RS 
– With reinforced one or two side rubber seal RSR, 2RSR 
– With one or two side metal shields Z and ZZ (2Z) 
– With snap ring groove in outer ring N 
– With snap ring groove in outer ring and external snap ring NR 
– In different radial clearances C5, C4, C3, C2 
– In many combinations of above mentioned versions

 

 

 

 

2: Angular contact ball bearings description:

 

Basic Design:

Angular contact ball bearings are self retaining units which consist of solid inner and outer rings, and ball &cage assemblies.

The bearings have raceways in the inner and outer rings that are displaced with respect to each other in the direction of the bearing axis,

 and are designed to accommodate combined loads, ie. simultaneously acting radial and axial loads.

 

Detailed Description:

Series :7000C,7200,7300C and so on

The axial load carrying capacity of angular contact ball bearings increases with increasing contact angle.

Types :single row angular contact ball bearing

 

 Bearing Features:

Only axial loads in one direction for single row design

Axial loads in both directions for double row design and four-point contact design

Combined loads

High speed operations

Widespread use and versatility

 

3:Type of angular contact ball bearings

 

a=15 °7000C

a=25 °7000AC

a=40 °7000B

 

1) Single row angular contact ball bearing

2) Double row angular contact ball bearing

3) Four-point angular contact ball bearing

 

4:Advantages

 

 Advantages of Angular Contact Ball Bearing:

1.Ultra clean steel to extend bearing life by up to 80%

2.Advanced grade technology

3.Quiet and smooth operation even at high speed

4.Super finished raceways

5.Offer products in 15,25 and 40 degree angles

6.Available in arrange of Polyamide, steel and brass cage assembles
 

Detailed Photos

Related models

d D B
mm mm mm
B7000-C-T-P4S 10 26 8
B7001-C-T-P4S 12 28 8
B7002-C-T-P4S 15 32 9
B7003-C-T-P4S 17 35 10
B7004-C-T-P4S 20 42 12
B7005-C-T-P4S 25 47 12
B7006-C-T-P4S 30 55 13
B7007-C-T-P4S 35 62 14
B7008-C-T-P4S 40 68 15
B7009-C-T-P4S 45 75 16
B7571-C-T-P4S 50 80 16
B7011-C-T-P4S 55 90 18
B7012-C-T-P4S 60 95 18
B7013-C-T-P4S 65 100 18
B7014-C-T-P4S 70 110 20
B7015-C-T-P4S 75 115 20
B7016-C-T-P4S 80 125 22
B7017-C-T-P4S 85 130 22
B7018-C-T-P4S 90 140 24
B7019-C-T-P4S 95 145 24
  d D B
mm mm mm
B7571-C-T-P4S 100 150 24
B7571-C-T-P4S 105 160 26
B7571-C-T-P4S 110 170 28
B7571-C-T-P4S 120 180 28
B7026-C-T-P4S 130 200 33
B7571-C-T-P4S 140 210 33
B7030-C-T-P4S 150 225 35
B7032-C-T-P4S 160 240 38
B7034-C-T-P4S 170 260 42
B7036-C-T-P4S 180 280 46
B7038-C-T-P4S 190 290 46
B7040-C-T-P4S 200 310 51
B7044-C-T-P4S 220 340 56
B7048-C-T-P4S 240 360 56

catalogue excavator bearing:

Bearing Number ID(mm) OD(mm) Height (For Install)
AC5033 250 330 37
AC5836 289 355 34
BA220-6WSA 220 276 26
AC4629 230 290 27
AC4630 230 300 35
AC4631 230 310 38
AC4639 230 300 35
AC4531 225 315 36
AC463240 230 320 40
AC423040 210 300 40
AC6037 300 370 33
AC523438-1 260 340 38
BA240-3WSA 240 310 32
BA240-5WSA 240 308 30
BA222-1WSA 222 273 26
BA220-1 220 280 28
BN220-1 220 280 28
SF4831VPX1 240 310 33.4
SF4815VPX1 240 310 34
SF4860VPX1 240 320 38
240BA3251 240 320 38
SF4826VPX1 240 310 33
SF4852VPX1 240 310 33
B-SF4454VPX1 220 295 33
SF4444VPX1 220 295 32
SF6015VPX1 300 372 36
SF4411VPX1 220 290 32.5
SF4615PX1 230 300 35
SF4460PX1 220 300 35
SF4903/246-1 246 308 32
CR2256 110 150 22
CR4411 220 290 33.5
CR6016 300 380 39
SF3235VPX1 160 200 20
SF5235VPX1 260 330 34.5
SF3215 160 200 20
SF3215 160 200 28
SF4007VPX1 200 250 25
SF4007VPX1 200 250 24
180BA-2256 180 225 21.5
BA230-7 230 300 35
BA180-4WSA 180 250 33
BA280-2SA 280 370 40
280BA40GS 280 400 47
BA200-7B 200 250 25
BA300-4WSA 300 395 52
BA340-1 340 440 52
BA345-1WSA 345 470 52
BA205-1 205 295 40
BA290-3A 290 380 40
BA250-4A 250 330 38
BA246-1A 246 308 32
BA246-2A 246 313 32
SF4910PX1 243 312 33
BA200-10 200 280 38
BA300-5 300 380 40
BA230-2 230 320 40
BA260-3 260 340 38
BA260-4 260 340 38
SF5246PX1 260 340 38
BA195-3A 195 280 36.5
BA16519A 165 203 17
BA289-1SA 289 355 32.5
BA270-3 270 350 38
184BA-2251 184 226 21.5
260BA35S2 260 355 44
120BA16 120 165 22
135BA16 135 175 22
BA176-1 176 216 22
245BA35S1 245 355 44
250BA36S1 250 360 44
200BA27V 200 272 33
240BA32S1 240 320 38
210BA29V 210 295 35
180BN19W/BTB7936 180 250 33
SA180 180 235 27
105BA14 105 144 14
220BA300 220 300 38
150BA182 150 182 16
151BA179 151 179 14
SF2812VPX1 140 175 17.5
SF2907VPX1 143 175 17
SF2912PX1 145 200 20
SF3607VPX1 180 225 21
SF3227VPX1 160 200 20
SF3240VPX1 160 200 20
SF4019VPX1 200 260 30
SF4205PX1 210 280 35
SF4224PX1 210 280 35
SF7938 190 260 33
SF2912 145 200 27.5
310BN42-2 310 422 45
HS5715 117 145 14
HS5714 126 154 14
HS5713 320 383 30
Double Row      
BD110-1 110 140 28
BD140-1 140 180 34
BD155-6A 155 198 48
BA165-6A 165 210 22
BD165-6A 165 210 52
BD175-6A 175 220 41
BD185-6A 185 232 51
BD130-16A 130 166 34/41
BD130-1 130 166 29.5/34
BA130-1 130 166 18
BA135-6A 135 170 20
Tapered Roller Bearings      
LM739749/739710 196.85 257.175 39.688
L540049/54571 196.85 254 28.575
L540048/54571 200 254 28
LL639249/639210 196.85 241.3 23.812
LL641110/49 203 261 28
544090/544116 228.6 295.275 33.338
544091/544118 231.775 300.038 33.338
LL225749/225710 127 165.895 18.257
L327249/327210 133.35 177.008 25.4
JP11049/10 110 160  
JP14049/JP14571 140 195 29
4T-T7FC060 60 125 37
4T-T7FC065 65 130 37
4T-T2ED070 70 130 42
4T-T2ED045 45 95 37
LL735449/10 177.875 215.875 20.5

 

Factory view

Contact information

Anna , 15628959925

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China wholesaler Angular Contact Ball Bearings Famous Brand Bd 155-3A AC 4615 China Factory   carrier bearingChina wholesaler Angular Contact Ball Bearings Famous Brand Bd 155-3A AC 4615 China Factory   carrier bearing
editor by CX 2024-05-07

China Custom High Precision High Load Zkldf100 Axial Angular Contact Ball Bearing carrier bearing

Product Description

ZKLDF100 Axial angular contact ball bearing Introduction:

ZKLDF100 Axial angular contact ball bearing are axial and radial combined cylindrical roller bearings, which is fixed by a bidirectional thrust bearing and a centripetal-guided bearing. They can support radial loads, axial loads from both directions and tilting moments free from clearance. For the convenienience of transportation and fixing,two or 3 symmetrical  screws are fastened to the 2 rings in oder to prevent rollers and rings generating collisions which influence bearing accuracy.
ZKLDF100 Axial angular contact ball bearing Display:
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Medium and Large(120-190mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 180/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Custom High Precision High Load Zkldf100 Axial Angular Contact Ball Bearing   carrier bearingChina Custom High Precision High Load Zkldf100 Axial Angular Contact Ball Bearing   carrier bearing
editor by CX 2024-04-29

China Best Sales Factory Direct Sales High Precision Sealed Double Row Angular Contact Ball Bearing 3205 carrier bearing

Product Description

Angular contact ball bearings are CZPT to support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, matched bearing mounting is often adopted to them as matched parts of bearings, preload for them is more convenient.
Retainers are made of brass, synthetic resins or others subject to individual bearing features and application conditions.

 

Angular contact ball bearing include:
1) Single row angular contact ball bearing
2) Matched angular contact ball bearing
3) Double row angular contact ball bearing
4) Four-point contact ball bearing

 

Angular contact ball bearings features :
1) Load capacities are higher than deep groove ball bearings of same dimensions;
2) Used for bearing radial-axial combined loads or pure thrust loads;
3) Low operating friction and high limiting speed.
 

Type

Angular contact ball bearing

Material

GCr15/stainless steel/carbon steel/Plastic/Ceramic

Bore size

35 mm

Outer diameter

72 mm

Width

30.2 mm

Seal type

Open RS Z 2RS ZZ

Cage

Stamping steel/Brass/Nylon/Ceramic

Certificate

ISO9001:2000

Application

Automobile, tractor, machine tool, electrical machine, 

water pump, agriculture machine, textile machine, etc.

Packaging

Original brand Plastic bag+Original brand Paper box+Original brand 

Carton box+Wooden pallet;

Customer’s special requests are acceptable.

Service

OEM service, Customization service, Customers’ Logo service;

Complete process for the production and quality assurance ensures our products can meet your 

requirement. We are committed to be responsible for each set of bearing and industrial products 

sold to our clients. Relying on strong resource network, we can supply any bearing with competitive 

price to meet each customer’ demand and guarantee each customer’s benefit.

Company Profile

 

In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.

“zero defect, zero complaints” as the quality objective.

FAQ

Q: Are you trading company or manufacturer ?

A: We are a trading company specializing in exporting bearings.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the 

goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge

Q.You provide free consultation service?

Yes, before, during and after order, anytime.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Product Name: Angular Contact Ball Bearing
Characteristic: High Precision
Advantage: Large Bearing Capacity
Holder: Copper and Iron Retainers
Quality: High Quality
Rolling Body: Roller Bearings
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales Factory Direct Sales High Precision Sealed Double Row Angular Contact Ball Bearing 3205   carrier bearingChina Best Sales Factory Direct Sales High Precision Sealed Double Row Angular Contact Ball Bearing 3205   carrier bearing
editor by CX 2024-04-24

China Professional 6204 Ball Bearing Waterproof OEM Brand carrier bearing

Product Description

Product Description

WHY CHOOSE E-ASIA BEARING?

1) 20 years of rich bearing industry export experience
2) ISO & MPA & CE & SGS & BV certified
3) Professional engineers team and Superior machines
4) 1 hour to HangZhou port or ZheJiang port
5) Strict quality inspection (3 steps) before shipment, such as SGS/BV third party certified.

CHOOSE E-ASIA       REFUSED ONE TIME BUSINESS

Deep groove ball bearing 5 88506 88507 88508A 88508 88509 622 62303 62304 62305 62306 62307 62308 62309 62310
Taper roller bearings 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35713 35714 35715 35716 35717 35718 35719 35710 35711 35712 35714 35716 35718 35710 35712 35714 35716 35710 35714 30302 30303 30304 30305 30306 30307 30308 3 3 0571 3 0571 3 0 30321 30322 30324 30326 30328 30330 30332 30334 32204 32205 32206 32207 32208 32209 32210 32211 32212 32213 32214 32215 32216 32217 32218 32219 32220 32221 32222 32224 32226 32228 32230 32232 32236 32238 32240 32244 32248 32303 32304 32305 32306 32307 32308 32309 32310 32311 32312 32313 32314 32315 32316 32317 32318 32319 32320 32321 32322 32324 32326 32330 32334 31303 31304 31305 31306 31307 31308 31309 31310 31311 31312 31313 31314 31315 31316 31317 31318 31319 31320 31324 31326 31328 31332 32 325714 320726 325718 53856k 53860
Self-aligning ball bearings
spherical plain bearing GE4E GE5E GE6E GE8E GE10E GE12E GE15ES GE17ES GE20ES GE25ES GE30ES GE35ES GE40ES GE45ES GE50ES GE60ES GE70ES GE80ES GE90ES GE1 110145 120155 130170 140180 150190 165710
Thrust ball bearing 511 234415 234416 234417 234418 234419 234420 234421 234422 234424 234426 234428 234430 234432 234438 234440 234714 234715 234716 234717 234718 234719 234720 234721 234722 234722 347262 347282 347302 347322 347382 34740
Cylindrical Roller Bearings NU313EMA NU2313EMA NU2314EMA NU415EMA NU216EMA NU2216EMA NJ2216EMA NUP2216EMA NU316EMA NU2316EMA NU217EMA NU2217EMA NU317EMA NU2317EMA NJ2317EMA NU218EMA NJ218EMA NU2218EMA NJ2218EMA NUP2218EMA NU318EMA NJ318EMA NU2318EMA NJ2318EMA NU219EMA NJ219EMA NU2219EMA NJ2219EMA NU319EMA NJ319EMA NU2319EMA NJ2319EMA NU220EMA NJ220EMA NU2220EMA NJ2220EMA NU320EMA NJ320EMA NU2320EMA NJ2320EMA NU222EMA NJ222EMA NU2222EMA NJ2222EMA NU322EMA NJ322EMA NU2322EMA NJ2322EMA NU1571MA NU224EMA NJ224EMA NU2224EMA NJ2224EMA NU324EMA NJ324EMA NU2324EMA NJ2324EMA NU1026MA NU226EMA NJ226EMA NU2226EMA NJ2226EMA NU326EMA NJ326EMA NU2326EMA NJ2326EMA NU1571MA NU228EMA NJ228EMA NU2228EMA NJ2228EMA NU328EMA NJ328EMA NU2328EMA NJ2328EMA NU1030MA NU230EMA NJ230EMA NUP230EMA NU2230EMA NJ2230EMA N2230EMB NU330EMA NJ330EMA NU2330EMA NJ2330EMA NU1032MA NU232EMA NJ232EMA NUP232EMA NU2232EMA NJ2232EMA NU332EMA NJ332EMA NU2332EMA NJ2332EMA NU1034MA NU3034EMA NU234EMA NJ234EMA NU2234EMA NJ2234EMA NU334EMA NJ334EMA NU2334EMA NJ2334EMA NU1036MA NU236EMA NJ236EMA NU2236EMA NJ2236EMA NU336EMA NJ336EMA NU2336EM NJ2336EMA NU1038MA NU238EMA NJ238EMA NU2238EMA NJ2238EMA NU338EMA NJ338EMA NU2338EMA NJ2338EMA NU1040MA NU240EMA NJ240EMA NU2240EMA NJ2240EMA NU340EMA NJ340EMA NU2340EMA NJ2340EMA NU1044MA NJ1044MA NU3044EMA NU244EMA NJ244EMA NU2244EMA NJ2244EMA NU344EMA NJ344EMA NU2344EMA NJ2344EMA N2344EMB NU1048MA NU248EMA NJ248EMA NU348EMA NJ348EMA NU2348EMA NJ2348EMA NU1052MA NU3052MA NU252MA NUP252MA NU2252MA NU2352EMA NU1056MA NU1060MA NU1964MA NF2964EMB NU1064MA NU2264MA NF2968EMB NU1068MA NU3068EMA NU3168EMA NU2372EMA NU1072MA NU1076MA NJ2980EMA NU1080MA NU2080EMA NF2984EMB NU1088MA NU2088EMA NU3188EMA NJ2892EMA NF2992EMB NU3192EMA NU1096EMA NJ1096EMA NU31/500EMA NU18/560MA NU30/600EMA NU20/630EMA NU20/670EMA NU20/670EMA NU30/670EMA NJ28/710EMA NJ29/710MA NU20/750EMA NU20/800EMA NU20/850EMA NU39/900EMA NU20/900EMA NJ18/1120EMA105RU32 105RN32 105RJ32 105RF32 105RT32 170RU51 170RN51 170RJ51 170RF51 170RT51 170RU91 170RN91 170RJ91 170RF91 170RT91 170RU93 170RN93 170RJ93 170RF93 170RT93 180RU51 180RN51 180RJ51 180RF51 180RT51 180RU91 180RN91 180RJ91 180RF91 180RT91 190RU91 190RN91 190RJ91 190RF91 190RT91 190RU92 190RN92 190RJ92 190RF92 190RT92 200RU91 200RN91 200RJ91 200RF91 200RT91 200RU92 200RN92 200RJ92 200RF92 200RT92 210RU92 210RN92 210RJ92 210RF92 210RT92 220RU51 220RN51 220RJ51 220RF51 220RT51 220RU91 220RN91 220RJ91 220RF91 220RT91 220RU92 220RN92 220RJ92 220RF92 220RT92 240RU91 240RN91 240RJ91 240RF91 240RT91 250RU91 250RN91 250RJ91 250RF91 250RT91NCF2922V NCF2924V NCF2926V NCF2928V NCF2930V NCF2932V NCF2934V NCF2936V NCF2938V NCF1840V NCF2940V NCF1844V NCF2944V NCF1852V NCF2952V NCF2960V NCF1864V NCF2964V NCF1868V NCF1876V NCF2976V NCF1880V NCF1884V NCF1888V NCF1892V NCF2992V NCF2996V NCF18/500V NCF29/500V NCF18/530V NCF18/560V NCF18/600V NCF18/630V NCF18/670V NCF18/710V NCF18/750V NCF18/800VNNU4930MAW33 NNU4932MAW33 NNU4934MAW33 NNU4936MAW33 NNU4938MAW33 NNU4940MAW33 NNU4140MAW33 NNU4944MAW33 NNU4144MAW33 NNU4948MAW33 NNU4148MAW33 NNU4952MAW33 NNU4152MAW33 NNU4956MAW33 NNU4156MAW33 NNU4960MAW33 NNU4160MAW33 NNU4964MAW33 NNU4164MAW33 NNU4968MAW33 NNU4068MAW33 NNU4168MAW33 NNU4972MAW33 NNU4072MAW33 NNU4172MAW33 NNU4976MAW33 NNU4076MAW33 NNU4176MAW33 NNU4980MAW33 NNU4080MAW33 NNU4180MAW33 NNU4984MAW33 NNU4084MAW33 NNU4184MAW33 NNU4988MAW33 NNU4088MAW33 NNU4188MAW33 NNU4992MAW33 NNU4092MAW33 NNU4192MAW33 NNU4996MAW33 NNU4096MAW33 NNU4196MAW33 NNU49/500MAW33 NNU40/500MAW33 NNU49/530MAW33 NNU40/530MAW33 NNU49/560MAW33 NNU49/600MAW33 NNU49/630MAW33 NNU49/670MAW33 NNU40/670MAW33 NNU49/710MAW33 NNU49/750MAW33 NNU49/800MAW33 NNU49/850MAW33 NNU49/900MAW33
 

Company Profile

        E-Asia was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer and NSK CZPT CZPT CZPT CZPT HRB LYC NACHI C&U bearing distributor. We also provide OEM beaings.Since it was first established, E-AISA was dedicated in research, development and manufacture of bearings. Now, E-AISA has become main and 1 of the first grade suppliers of all kinds of bearings.
          Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings,Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings.
        E-Asia is a backbone enterprise for bearing production in China. With an area of 60, 000 square meters, more than 260 sets devices and machines, and around 200 employees, our company annually turns out more than 6 million sets bearings.

        Our Bearings are exported to the USA, Canada, UK, Germany, Poland, Italy, Russia, the Middle East, Africa and other countries and regions of the world. E-Asia Bearing Co. Ltd. Is committed to the introduction of high-quality bearing products. Our company have more than 200 employees.
        Our brands include ZWZ bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings and so forth.

 Our belief is “Specialization is quality; Quality is the future. Any product with 0.01% defect is 100% reject” is our quality policy.

Packaging & Shipping

FAQ

1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 15°
Aligning: Non-Aligning Bearing
Separated: Separated
Customization:
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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China Professional 6204 Ball Bearing Waterproof OEM Brand   carrier bearingChina Professional 6204 Ball Bearing Waterproof OEM Brand   carrier bearing
editor by CX 2024-04-19

China Good quality Polished Spherical Plain Bearing Sal20es Male Thread Ball Joint Rod End Bearing carrier bearing

Product Description

Product Description:

Spherical plain bearing is a kind of spherical sliding bearing. Its sliding contact surface is an inner spherical surface and an outer spherical surface. When moving, it can rotate and swing at any angle. It is made by a variety of special processing methods, such as surface phosphating, blasting, pad insertion, spraying, etc. The spherical plain bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self centering, good lubrication, etc.

Spherical plain bearing can bear large load. According to their different types and structures, they can bear radial load, axial load or combined load of radial and axial. Because the outer surface of the inner ring is inlaid with CZPT materials, the bearing can produce self lubrication during operation. It is generally used for low speed swing movement and low-speed rotation, and can also make tilting movement within a certain angle range. When the misalignment between the supporting shaft and the axle housing hole is large, it can still work normally. Self lubricating spherical plain bearings are used in water conservancy, professional machinery and other industries.

Types Radial Spherical Plain Bearings                      
Steel ball dimensions                      
Oil cylinder earrings Spherical Plain Bearings                      
Spherical Plain Bearings Rod End                      
L-Ball Joint Rod End                      
Angular Contact Spherical Plain Bearings                      
Thrust Spherical Plain Bearings                      
ШC∏ Series                      
Material Bearing Steel(GCr15, 1
Address: Industrial Park, Bachalu Town, HangZhou City.
HangZhou City, ZheJiang Province.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Element: Single Row
Structure: Rod End
Material: Bearing Steel
Load Direction: Radial Spherical Plain Bearing
Add Lubricant: Self-lubricating
Outer Structure: Whole Outer Ring
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Customization:
Available

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ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China Good quality Polished Spherical Plain Bearing Sal20es Male Thread Ball Joint Rod End Bearing   carrier bearingChina Good quality Polished Spherical Plain Bearing Sal20es Male Thread Ball Joint Rod End Bearing   carrier bearing
editor by CX 2024-04-15

China Best Sales Deep Groove Ball Bearings 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6022 6024 6026 6028 6030 6032z carrier bearing

Product Description

Product Detail

Deep groove ball bearings (GB/T 276-2003) The original list of radial ball bearings is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed. It can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions, and can also be used on parts that bear axial loads, such as small-power motors, Automotive and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

Model
Product Detail
Company Profile
Haisai bearing is a regular model industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was founded in 1998, covers an area of more than 90,000 square meters, plant area of more than 20,000 square meters, more than 200 employees, more than 20 technical engineers, has passed the international/SO9001:2008,1SO/TS16949:2009 and other quality management system certification. In addition, we have 2 factories (located in ZheJiang and HangZhou respectively) and a trading company. We have completed the high-speed forging of bearing steel dock, automatic high-precision grinding, cryoquenching, unitized automatic constant temperature grinding, intelligent assembly and so on, complete profession production. The product size from 30mm-750mm covers single and double row tapered roller bearing, British garden taper roller bearing, deep groove ball bearing, stainless steel shaft reducer special bearings, agricultural equipment bearings, a total of more than 2500 specifications of products.
We have a professional team of excellent quality, the technical center is equipped with all kinds of testing machines, high-precision testing instruments,material analysis instruments and more than 60 sets, for users to design develop, trial-produce all kinds of special purpose bearings, and do our best to provide high-end customers around the world with the best solutions and good after-sales service!
We has many years of experience in the industrial field of bearing supporting and industrial service, the products are exported to the United States, Germany, Italy, France, the Czech Republic, Russia and other European and American countries and supporting enterprises. We both at home and abroad enjoy a good business reputation!
We promise to be responsible for every set of bearings and industrial products sold! Make every customer satisfied, is our constant pursuit!

Bearing NO (mm)Boundary Dimensions (Kn) (Kn) (r/min)
Limit Rotational Speed
(Kg)
Weight
d D B Dynamic Load Rating
Cr
Static Load Rating
Cor
Grease Lubrication Oil Lubrication
6800 10 19 5 1.72 0.84 34000 40000 0.0053
6801 12 21 5 1.92 1.04 32000 38000 0.0068
6802 15 24 5 2.07 1.26 28000 34000 0.0075
6803 17 26 5 2.63 1.57 26000 30000 0.0083
6804 20 32 7 4.0 2.47 22000 26000 0.02
6805 25 37 7 4.5 3.15 18000 22000 0.571
6806 30 42 7 4.7 3.65 15000 18000 0.026
6807 35 47 7 4.9 4.1 14000 16000 0.571
6808 40 52 7 6.35 5.5 12000 14000 0.033
6809 45 58 7 6.6 6.15 11000 13000 0.041
6810 50 65 7 6.4 6.2 9500 11000 0.054
6811 55 72 9 8.8 8.5 8500 10000 0.081
6812 60 78 10 11.5 10.9 8000 9500 0.101
6813 65 85 10 11.9 12.1 7500 8500 0.12
6814 70 90 10 12.1 12.7 6700 8000 0.13
6815 75 95 10 12.5 13.9 6300 7500 0.14
6816 80 100 13 12.7 14.5 6000 7100 0.15
6817 85 110 13 18.7 20 5600 6700 0.27
6818 90 115 13 19.0 21 5300 6300 0.28
6819 95 120 13 19.3 22 5000 6000 0.29
6820 100 125 13 19.6 23 4800 5600 0.31
Note:Above-mentioned products include its modification series,such as Z,2Z,RS,and 2RS etc.

Company Detail
Digital Workshop

Stock

Packing
Certification

Our company is a large-scale industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was established in 1998, covering an area of more than 90,000 square meters, with a workshop area of more than 20,000 square meters, more than 200 employees, and more than 20 technical engineers. It has passed international/SO9001: 2008, 1SO/TS16949:2009 and other quality management system certifications.
The company has length measuring instruments, profilers, roundness meters, hardness meters, 3D imagers, vibration meters, flaw detectors, metallographic microscopes and other inspection instruments to meet the requirements of product performance testing, 100% raw material ultrasonic flaw detection, size and shape accuracy inspection, and large-scale bearing magnetic particle flaw detection.
The company has a professional team with excellent quality. The technical center is equipped with more than 60 sets of various testing machines, high-precision testing instruments, and material analysis instruments. It can design, develop, and trial-manufacture various special-purpose bearings for users.
 

Transport
Q&A

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1. Replacements would be sent with goods of your next order;
2. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Inner Size: 12mm
Outer Size: 32mm
Width: 10mm
Delivery Time: Within 7 Working Days
Payment: T/T
Weight: 0.04kg
Samples:
US$ 2/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

  • Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

  • Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

  • Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

  • Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

  • Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

  • Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

  • Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

  • Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

  • Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China Best Sales Deep Groove Ball Bearings 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6022 6024 6026 6028 6030 6032z   carrier bearingChina Best Sales Deep Groove Ball Bearings 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6022 6024 6026 6028 6030 6032z   carrier bearing
editor by CX 2024-04-12

China Good quality G100 G1000 Stainless Steel Ball/ Ball Bearing carrier bearing

Product Description

 

Product Description

 

Name Material Dia. Range (mm) Grade
Stainless Steel Ball AISI302/304/304L/316/316L 2.381 – 12.7 G40 – G1000
13.494 – 35 G200 – G1000
AISI420/420C/440/440C/430 2.381-15.875 G10 – 1000
16 – 44.45 G16 – G1000

Applications:
               For 300 series stanless steel balls, they are used in Trigger sprayers,Bearings,Dispenser valves,Body jewelry lotion pumps, and so on.

               For 400 series stainless steel balls, they are most used in Bearing applications,Valve, Locking mechanisms,Fasteners,and so on.

Chermical Composition:
 

AISI
Number
C% Si% Mn% Cr% Ni% Mo% P% S%                                                      property
 
AISI 304 0.07
MAX
1.00
MAX
2.00
MAX
17.0~
19.0
8.0~
10.5
  0.045
MAX
0.03
MAX
Slightly magnetic,flat surface HRC 25min.
 
AISI 316 0.07
MAX
1.00
MAX
2.00
MAX
16.5~
18.5
10.5~
13.5
2.00~
2.50
0.045
MAX
0.03
MAX
Better corrosion resistance than SS304 specially against Sulfuric
acid and ink/bleach/nitric
AISI 420 0.07~
0.25
1.00
MAX
1.00
MAX
12.0~
14.0
    0.045
MAX
0.03
MAX
Magnetic,martensite steel.
flat surface HRC 50min,
better corrosion resistant
AISI 430 0.08
MAX
1.00
MAX
1.00
MAX
15.5~
17.5
    0.045
MAX
0.03
MAX
Ferritic stainless steel,better corrosion resistant than 3series at higher temperature
AISI 440 0.95~
1.20
1.00
MAX
1.00
MAX
16.0~
18.0
    0.045
MAX
0.02
MAX
Martensite,fair corrosion to water,alcohol,oil and food product.

Hardness: HRC25-39 ( without demagnetization treatment)
                 special hardness can be made according to the customer’s requirement.

Ball Surface:Bright, Zero Defect

Certification:ISO 9001:2015

Safe:RoHS SGS

Export Markets:Global

Package:  Normal package or customize as per the customer’s requirement. Below is the nomal package ways.

                Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.
                Step 2: Sealed plastic bags
                Step 3: Put sealed plastic bags into small boxes.
                Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date……
                Step 5: Each box directly put into plywood case.

Service

We would like to offer you services as:
– Instant improvement and design of products
– Quick response to the prices
– Complete inspection report
– Traceable
– Perfect logistic
 

Company Profile

HangZhou CZPT Imp. & Exp. Co., Ltd. is a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer’s requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc.

If you have any needs, please feel free to contact us.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Customized: Customized
Certification: CE, ISO
Standard Parts: Yes
Universal: Yes
Type: Bearing Ball
Material: Stainless Steel
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

  • Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

  • Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

  • Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

  • Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

  • Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

  • Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China Good quality G100 G1000 Stainless Steel Ball/ Ball Bearing   carrier bearingChina Good quality G100 G1000 Stainless Steel Ball/ Ball Bearing   carrier bearing
editor by CX 2024-04-11

China supplier Nail Drill Machine Bearings 7020AC/7218AC/7328acm Quality 7220 7208 Angular Contact Ball Bearing carrier bearing

Product Description

Nail Drill Machine Bearings 7571AC/7218AC/7328ACM Quality 7220 7208 Angular Contact Ball Bearing

Product Description

The connection line between the steel ball of the contact ball bearing and the contact point of the inner and outer rings forms an angle with the radial direction. Contact angles are generally divided into 15°, 30°, and 40°, which are represented by letters C, A, and B respectively.

Angular contact ball bearings mainly bear large unidirectional axial loads, and the larger the contact angle, the greater the load-bearing capacity. The material of the cage is steel plate, brass, or engineering plastic, and the forming method is stamping or turning, which is selected according to the bearing form or service conditions. Others include combined angular contact ball bearings, double-row angular contact ball bearings, and four-point contact ball bearings.

Angular contact ball bearings can bear radial load and axial load at the same time. Can work at higher speeds. The larger the contact angle, the higher the axial load-carrying capacity. High-precision and high-speed bearings usually take a contact angle of 15 degrees. Under the action of axial force, the contact angle will increase. Single-row angular contact ball bearings can only bear axial load in 1 direction and will cause additional axial force when bearing radial load. And it can only limit the axial displacement of the shaft or housing in 1 direction. If it is installed in pairs, make the outer rings of a pair of bearings face each other, that is, the wide end faces the wide end face, and the narrow end faces the narrow end face. This avoids causing additional axial forces and limits the shaft or housing to axial play in both directions.

Because the raceway of the inner and outer rings of the angular contact ball bearing can have relative displacement on the horizontal axis, it can bear radial load and axial load at the same time – combined load (single row angular contact ball bearing can only bear axial load in 1 direction, Therefore, they are generally installed in pairs). The material of the cage includes brass, synthetic resin, etc., which are distinguished according to the bearing type and service conditions.

Product Parameters

Product Name 

Angular Contact Ball Bearing

Type

Angular Contact Ball Bearing

Structure

Angular Contact

Applicable Industries

The machinery manufacturing plant, machine tools, mechanical equipment, motor automobile hub, agricultural machinery

Brand Name

RPZ /LONK/XWFD/ XWFD ZMW

Accuracy class

P0, P6, P5, P4, P2 or as required20mm-500mm

Seal type

Open / 2RS

Size

20mm-500mm

Number of Rows

Single row

Origin

ZheJiang , China

Product Model

7000cac 7200c 7001acm

Material

Gcr15 chrome steel / stainless steel bearing

Features

long life, low friction, high speed

Retainer Type

Brass / bakelite / steel

 

Angular Contact Bearing

7000AC

7200AC

7303AC

7406AC

3304-2RS/ZZ

7001AC

7201AC

7304AC

7407ACP6

3305-2RS/ZZ

7002AC

7202AC

7305AC

7408AC

3306-2RS/ZZ

7003AC

7203AC

7306AC

7409AC

3307-2RS/ZZ

7004AC

7204AC

7307AC

7410AC

3308-2RS/ZZ

7005AC

7205AC

7308AC

7412ACM

3309-2RS/ZZ

7006AC

7206AC

7309AC

7412BM

3310-2RS/ZZ

7007AC

7207AC

7310AC

7414ACM

3311-2RS/ZZ

7008AC

7208AC

7311AC

7414BM

3312-2RS/ZZ

7009AC

7209AC

7312AC

7416ACM

3313-2RS/ZZ

7571AC

7210C

7313AC

7416BM

3314-2RS/ZZ

7011AC

7210AC

7314AC

7418ACM

3315-2RS/ZZ

7012AC

7211AC

7315AC

7418BM

3316-2RS/ZZ

7013AC

7212AC

7315BM

 

3317-2RS/ZZ

7014AC

7213AC

7317AC

3204-2RS/ZZ

3318-2RS/ZZ

7015AC

7214AC

7317BM

3205-2RS/ZZ

3319-2RS/ZZ

7016AC

7216AC

7318AC

3206-2RS/ZZ

3320-2RS/ZZ

7017AC

7217AC

7318BTN

3207-2RS/ZZ

 

7018AC

7218AC

7319AC

3208-2RS/ZZ

QJ210

7571AC

7219AC

7319BM

3209-2RS/ZZ

QJ211

7571AC

7220AC

7320AC

3210-2RS/ZZ

QJ212

7571AC

7221AC

7320BM

3211-2RS/ZZ

QJ213

7026AC

7222AC

7322AC

3212-2RS/ZZ

QJ214

7571AC

7224AC

7322BM

3213-2RS/ZZ

QJ215

7030AC

7228AC

7324ACM

3214-2RS/ZZ

QJ216

7032AC

7232AC

7324BM

3215-2RS/ZZ

QJ217

7034AC

7236AC

7326ACM

3216-2RS/ZZ

QJ218

7036AC

7240AC

7328ACM

3217-2RS/ZZ

QJ219

7038AC

7244AC

7328BM

3218-2RS/ZZ

QJ220

 

 

7330ACM

3219-2RS/ZZ

QJ222

 

 

7332ACM

3220-2RS/ZZ

QJ224

 

 

7334ACM

 

QJ226

 

 

7336ACM

 

QJ228

 

 

7338ACM

 

QJ230

 

 

7340ACM

 

QJ232

 

 

Detailed Photos

 

FAQ

Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;

2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;

3>. Offer highly cost-effective and complete solution program according to site conditions;

4>. Offer localized program on introduced equipment to save running cost

Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;

2>.Help customers with trouble diagnosis and failure analysis;

3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.

Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request. 

2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.

3>.OEM or Non-Stand Bearings: 
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry. 

4>.Genuine products With Excellent Quality: 
The company has always proved the 100% quality products it provides with genuine intent.

5>. After-Sales Service and Technical Assistance: 
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.

6>.Quick Delivery: 
The company provides just-in-time delivery with its streamlined supply chain.

7>.Cost Saving: 
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.

Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process

Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem

Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 45°
Aligning: Non-Aligning Bearing
Separated: Separated
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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about shipping cost and estimated delivery time.
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ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China supplier Nail Drill Machine Bearings 7020AC/7218AC/7328acm Quality 7220 7208 Angular Contact Ball Bearing   carrier bearingChina supplier Nail Drill Machine Bearings 7020AC/7218AC/7328acm Quality 7220 7208 Angular Contact Ball Bearing   carrier bearing
editor by CX 2024-04-03

China Standard OEM 6403 6404 6405, 6406, 6407, 6408, 6409, 6410, 6411, 6412 6413 6414 6415 6416 Deep Groove Ball Bearing carrier bearing

Product Description

Product Description

6400 series deep groove ball bearings
other series see below link:
product-list-1.html

 

Bearing NO Boundary Dimensions (Kn) (Kn) (r/min)
Limit Rotational Speed
(Kg)Weight
d D B Dynamic Load Rating
Cr
Static Load Rating
Cor
Grease Lubrication Oil Lubrication
6403 17 62 17 22.9 10.8 12000 18000
6404 20 72 19 30.7 15.0 10000 15000
6405 25 80 21 38.43 20.41 8500 11000 0.51
6406 30 90 23 47.17 25.69 8000 10000 0.70
6407 35 100 25 56.22 31.22 6700 8500 0.92
6408 40 110 27 65.15 37.35 6300 8000 1.21
6409 45 120 29 76.75 45.54 5600 7000 1.52
6410 50 130 31 92.24 55.13 5300 6700 1.87
6411 55 140 33 99.89 62.71 4800 6000 2.31
6412 60 150 35 108.21 70.30 4500 5600 2.84
6413 65 160 37 111.00 72.50 4300 5200 3.30
6414 70 180 42 128.00 89.50 3900 4600 4.83
6415 75 190 45 138.00 99.00 3600 4400 5.72
6416 80 200 48 164.00 125.00 3400 4100 6.76
62200-2RS 10 30 14 5.07 2.36 12000 15000 0. 0571
62201-2RS 12 32 14 6.89 3.10 11000 13000 0.571
62202-2RS 15 35 14 7.80 3.75 9000 11000 0.065
62203-2RS 17 40 16 9.56 4.75 7500 9000 0.0847
62204-2RS 20 47 18 12.7 6.56 7000 8000 0.13
62205-2RS 25 52 18 14 7.8 6700 7500 0.178
62206-2RS 30 62 20 19.5 11.2 5800 6700 0.26
62207-2RS 35 72 23 25.5 15.3 5500 6000 0.38
62208-2RS 40 80 23 30.7 19.0 5000 5500 0.452
62209-2RS 45 85 23 33.2 21.6 4000 4500 0.51
62210-2RS 50 90 23 35.1 23.2 3500 4000 0.564
62211-2RS 55 100 25 43.6 29.0 3200 3800 0.81
62212-2RS 60 110 28 52.7 36.0 3000 3500 0.965
62213-2RS 65 120 31 55.9 40.5 2500 3000 1.28
62214-2RS 70 125 31 60.5 45.0 2000 2800 1.35
Note:Above-mentioned products include its modification series,such as Z,2Z,RS,and 2RS ets.

 

Detailed Photos

 


Black chamfer with rubber seal

Black chamfer with white dust cover

open UG

white chamfer with yellow dust cover

ceramic ball bearing

THE USE OF THE BEARING
Some tips on use
Rolling bearing is a precise part. Therefore it should be used carefully. No matter how high performance the bearing has, it can be obtained by improper use, the followings are the points for attention to use bearings.
(1) Keep clean the bearing and its surrounding areas
It is harmful to the bearing even by tiny dust which can not be seen by human eyes. Therefore it should always keep clean the surrounding environments in order to prevent the bearing from dust corrosion.
(2) Use bearing carefully
Scar and indentation can essily be produced out of strong impact to the bearing in use and become the cause of accidents. Therefore special caution should be given to its use.
(3) Use the appropriate operating tool
Avoid using a hammer or heavy direct tap on a bearing or sleeve, must use appropriate tools such as press or heating.
(4) Be careful to the rust corrosion of the bearings
The sweat in the hands will cause rust in operating the bearings. Therefore your hands should be cleanly washed and dried before operation. You’d better wear gloves in doing the work. 
(5) Handler should familiar with bearing
(6) Establish bearing handling criteri
·Bearing storage
.Bearing and surrounding cleaning
.Dimension of mounting parts and inspection
.Machining quality
.Mounting handing
.After mounting inspection
·Disassembly handing
·Keep maintain
·Adding lubricant

 

Installation Instructions

 Bearing mounting
 Precautions for proper mounting of bearing
1) Bearing preparation
Bearing should not be unpacked until before mounting due to spray anti-corrosion oil and pack anti-corrosion paper. In addition, spray anti-corrosion oil on bearing have good lubricate function. For general purpose, just directly using bearing fill-in grease bearings, without cleaning. However, bearing for instrument or high speed rotating must be cleaned with clean filtered oil in order to remove the anti-corrosion oil. At that time, the bearings are easy to corrosion could not storage long term.
2) Inspection of shafts and housings
Cleaning shaft and housing, confirming no scratched or machine burrs, no CZPT and cutting piece in housing. Secondly comppare with drawing, the shaft and housing of dimension, form and machining quality should be inspected.
chart 1 Measure location for shaft diameter                                                                         chart 2  Measure location for housing bore diameter                       

As chart 1 and chart 2 showing, divided several locations to be measure on shaft and housing bore diameters, It should be careful inspected perpendicular between shaft, housing fillet dimension and shoulder.
Before mounting bearing, it should be sprayed mechanical oil on fitting surface after check out the shaft and housing.

Bearing storage
Before leaving the factory, the bearing is sprayed proper rust-inhibiting oil and packed rust-inhibiting paper. The quality of bearing is guaranteed, if the packing is not broken.
For long-term storage, if the humidity less than 65% and the temperature about 20, it should storage on shelf which is higher 30cm than ground.
In addition, storage occasion should avoid sunshine and contact with cold wall.

Pictures about packaging

 

Company Profile

Our Advantages

1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
    pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle:
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Order Sample

black or white or as required
Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Standard OEM 6403 6404 6405, 6406, 6407, 6408, 6409, 6410, 6411, 6412 6413 6414 6415 6416 Deep Groove Ball Bearing   carrier bearingChina Standard OEM 6403 6404 6405, 6406, 6407, 6408, 6409, 6410, 6411, 6412 6413 6414 6415 6416 Deep Groove Ball Bearing   carrier bearing
editor by CX 2024-03-28