Product Description
Deep Groove Ball Bearings 6205 Zz 2RS C3 Auto Parts Machining Parts Industrial Ball Bearing
We produce all kinds of bearing sets, limit sets, widely used in agricultural machinery parts, auto parts, bearing production, construction machinery parts.
Bearing Pictures
Similar products
Company Certificates
Q:Why choose us ?
A. we are a manufacturer, we have manufactured types of bearing for over 20 years .
B. Reliable Quality Assurance System;
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists;
E. Customization and OEM Available for Specific Application;
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. what is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: Can you make chains according to my CAD drawings?
A: Yes. Besides the regular standard chains, we produce non-standard and custom-design products to meet the specific technical requirements. In reality, a sizable portion of our production capacity is assigned to make non-standard products.
Q: what is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia,
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 60° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 1/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. |
|---|

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.

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

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.


editor by CX 2024-04-24
China OEM 6900 Auto Part Machine Part Wheel Bearing 6000 6200 6300 6400 6700 6800 6900 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, Fan, Skateboard connecting rod bearing
Product Description
Product Description
Basic Info.
| Model NO. | 6900 | Inner Diameter | 10mm |
| Load Direction | Radial Bearing | Outer Diameter | 22mm |
| Bearings Type | Ball Bearing/Roller Bearing/Auto Bearing | Rows Number | Single |
| Feature | Long Life, High Speed, Low Noise | Material | Gcr15, Chrome Steel, Stainless Steel, Carbon Steel |
| Precision | P0 P6 P5 P4 P2 | Application | Ceiling Fan, Household Range, Car, Motor, Fan, Motorcycle Agriculture Mechanical |
| Vibration | Z1V1, Z2V2, Z3V3; Z4V4 | Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Grease/Oil | Seals Type | Open/Zz/2RS |
| MOQ | 2PCS | Clearance | C0 /C2/C3 |
| Stock | Rich Stocks | Samples | Available |
| Transport | by Sea or by Air | Transport Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement |
| Specification | 10×22×6mm | Trademark | Allout, OEM, Neutral |
| Origin | HangZhou,ZHangZhoug, China | HS Code | 8482157100 |
| Production Capacity | 200000/Month | Warranty | One Year |
Product Description
Auto Part motorcycle spare part wheel bearing 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, fan,skateboard
General information of Allout deep groove ball bearing
Allout deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent grease overflow in the bearing.
Technical parameter of Allout deep groove ball bearing
| Model NO. | Inner Diameter (mm) |
outer Diameter (mm) |
Width/height | Basic Load Rating(N) | Limiting speed(rpm) | Weight | |||
| B | C | Cr | Cor | Grease | Oil | kg | |||
| 693 | 3 | 8 | 3 | 4 | 430 | 178 | 60000 | 67000 | 0.0006 |
| 694 | 4 | 11 | 4 | 4 | 960 | 350 | 48000 | 56000 | 0.0008 |
| 695 | 5 | 13 | 4 | 4 | 1070 | 420 | 43000 | 50000 | 0.0571 |
| 696 | 6 | 15 | 5 | 5 | 1470 | 600 | 40000 | 45000 | 0.0038 |
| 697 | 7 | 17 | 5 | 5 | 1600 | 710 | 36000 | 43000 | 0.0052 |
| 698 | 8 | 19 | 6 | 6 | 2230 | 910 | 36000 | 43000 | 0.007 |
| 699 | 9 | 20 | 6 | 6 | 2480 | 1090 | 34000 | 40000 | 0.0082 |
| 6900 | 10 | 22 | 6 | 6 | 2690 | 1270 | 30000 | 36000 | 0.01 |
| 6901 | 12 | 24 | 6 | 6 | 2890 | 1460 | 30000 | 36000 | 0.011 |
| 6902 | 15 | 28 | 7 | 7 | 4320 | 2250 | 24000 | 28000 | 0.017 |
| 6903 | 17 | 30 | 7 | 7 | 4590 | 2550 | 22000 | 26000 | 0.018 |
| 6904 | 20 | 37 | 9 | 9 | 6370 | 3680 | 19000 | 23000 | 0.036 |
| 6905 | 25 | 42 | 9 | 9 | 6660 | 4180 | 16000 | 19000 | 0.042 |
| 6906 | 30 | 47 | 9 | 9 | 7240 | 5571 | 14000 | 17000 | 0.048 |
| 6907 | 35 | 55 | 10 | 10 | 10390 | 7160 | 12000 | 15000 | 0.074 |
| 6908 | 40 | 62 | 12 | 12 | 13571 | 9200 | 11000 | 13000 | 0.11 |
| 6909 | 45 | 68 | 12 | 12 | 13940 | 10130 | 9800 | 12000 | 0.128 |
| 6910 | 50 | 72 | 12 | 12 | 13900 | 1571 | 8900 | 11000 | 0.132 |
| 6911 | 55 | 80 | 13 | 13 | 14820 | 12690 | 8200 | 9600 | 0.18 |
| 6912 | 60 | 85 | 13 | 13 | 15080 | 13480 | 7600 | 8900 | 0.193 |
| 6913 | 65 | 90 | 13 | 13 | 19950 | 17490 | 7000 | 8200 | 0.206 |
| 6914 | 70 | 100 | 16 | 16 | 25950 | 21850 | 6500 | 7700 | 0.334 |
| 6915 | 75 | 105 | 16 | 16 | 26780 | 23560 | 6100 | 7200 | 0.353 |
| 6916 | 80 | 110 | 16 | 16 | 27590 | 25280 | 5700 | 6700 | 0.373 |
Our Advantages
Packaging & Shipping
Company Profile
HangZhou Abico Bearing Co., Ltd Was Founded in 2018 and Integrates R&D, Manufacturing, Trading, Sales of Bearings, Rollers, Pulleys.
We have passed the ISO 9001: 2008, ISO 14001: 2004, CE, SGS with a factory Over 13, 000 Square Meters. We Are Specialized in Deep Groove Ball Bearings, Special Bearings.
We provide wide range of safety products such as class 0 deep groove ball bearings, stainless steel bearings, non-standard customized bearings and British R series. The main products cover 60,62, 63, 67, 68, 69 series, the annual output of more than 60 million sets of bearings. Products are widely used in household appliances, micro motors, power tools, motorcycles, automobiles, medical equipment, sports machinery and agricultural machinery and many other fields.We also accept the processing with customers’ drawings and samples.
Our products have been sold well in Europe, South America, Africa and Southeast Asia.On the basis of sincere-cooperation, equality and mutual benefit.We would like to establish long-term business relationship with customers all over the world.Good quality, competitive price, and satisfying service are our promises as a reliable trading partner.
FAQ
Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.
Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.
Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/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. |
|---|

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.

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.

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.


editor by CX 2024-02-07
China Hot selling 6904 Auto Part Motorcycle Spare Part Wheel Bearing 6000 6200 6300 6400 6700 6800 6900 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, Fan, Skateboard with Best Sales
Product Description
Product Description
Basic Info.
| Model NO. | 6904 | Inner Diameter | 20mm |
| Load Direction | Radial Bearing | Outer Diameter | 37mm |
| Bearings Type | Ball Bearing/Roller Bearing/Auto Bearing | Rows Number | Single |
| Feature | Long Life, High Speed, Low Noise | Material | Gcr15, Chrome Steel, Stainless Steel, Carbon Steel |
| Precision | P0 P6 P5 P4 P2 | Application | Ceiling Fan, Household Range, Car, Motor, Fan, Motorcycle Agriculture Mechanical |
| Vibration | Z1V1, Z2V2, Z3V3; Z4V4 | Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Grease/Oil | Seals Type | Open/Zz/2RS |
| MOQ | 2PCS | Clearance | C0 /C2/C3 |
| Stock | Rich Stocks | Samples | Available |
| Transport | by Sea or by Air | Transport Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement |
| Specification | 20×37×9mm | Trademark | Allout, OEM, Neutral |
| Origin | HangZhou,ZHangZhoug, China | HS Code | 8482157100 |
| Production Capacity | 200000/Month | Warranty | One Year |
Product Description
Auto Part motorcycle spare part wheel bearing 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, fan,skateboard
General information of Allout deep groove ball bearing
Allout deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent grease overflow in the bearing.
Technical parameter of Allout deep groove ball bearing
| Model NO. | Inner Diameter (mm) |
outer Diameter (mm) |
Width/height | Basic Load Rating(N) | Limiting speed(rpm) | Weight | |||
| B | C | Cr | Cor | Grease | Oil | kg | |||
| 693 | 3 | 8 | 3 | 4 | 430 | 178 | 60000 | 67000 | 0.0006 |
| 694 | 4 | 11 | 4 | 4 | 960 | 350 | 48000 | 56000 | 0.0008 |
| 695 | 5 | 13 | 4 | 4 | 1070 | 420 | 43000 | 50000 | 0.0571 |
| 696 | 6 | 15 | 5 | 5 | 1470 | 600 | 40000 | 45000 | 0.0038 |
| 697 | 7 | 17 | 5 | 5 | 1600 | 710 | 36000 | 43000 | 0.0052 |
| 698 | 8 | 19 | 6 | 6 | 2230 | 910 | 36000 | 43000 | 0.007 |
| 699 | 9 | 20 | 6 | 6 | 2480 | 1090 | 34000 | 40000 | 0.0082 |
| 6900 | 10 | 22 | 6 | 6 | 2690 | 1270 | 30000 | 36000 | 0.01 |
| 6901 | 12 | 24 | 6 | 6 | 2890 | 1460 | 30000 | 36000 | 0.011 |
| 6902 | 15 | 28 | 7 | 7 | 4320 | 2250 | 24000 | 28000 | 0.017 |
| 6903 | 17 | 30 | 7 | 7 | 4590 | 2550 | 22000 | 26000 | 0.018 |
| 6904 | 20 | 37 | 9 | 9 | 6370 | 3680 | 19000 | 23000 | 0.036 |
| 6905 | 25 | 42 | 9 | 9 | 6660 | 4180 | 16000 | 19000 | 0.042 |
| 6906 | 30 | 47 | 9 | 9 | 7240 | 5571 | 14000 | 17000 | 0.048 |
| 6907 | 35 | 55 | 10 | 10 | 10390 | 7160 | 12000 | 15000 | 0.074 |
| 6908 | 40 | 62 | 12 | 12 | 13571 | 9200 | 11000 | 13000 | 0.11 |
| 6909 | 45 | 68 | 12 | 12 | 13940 | 10130 | 9800 | 12000 | 0.128 |
| 6910 | 50 | 72 | 12 | 12 | 13900 | 1571 | 8900 | 11000 | 0.132 |
| 6911 | 55 | 80 | 13 | 13 | 14820 | 12690 | 8200 | 9600 | 0.18 |
| 6912 | 60 | 85 | 13 | 13 | 15080 | 13480 | 7600 | 8900 | 0.193 |
| 6913 | 65 | 90 | 13 | 13 | 19950 | 17490 | 7000 | 8200 | 0.206 |
| 6914 | 70 | 100 | 16 | 16 | 25950 | 21850 | 6500 | 7700 | 0.334 |
| 6915 | 75 | 105 | 16 | 16 | 26780 | 23560 | 6100 | 7200 | 0.353 |
| 6916 | 80 | 110 | 16 | 16 | 27590 | 25280 | 5700 | 6700 | 0.373 |
Our Advantages
Packaging & Shipping
Company Profile
HangZhou Abico Bearing Co., Ltd Was Founded in 2018 and Integrates R&D, Manufacturing, Trading, Sales of Bearings, Rollers, Pulleys.
We have passed the ISO 9001: 2008, ISO 14001: 2004, CE, SGS with a factory Over 13, 000 Square Meters. We Are Specialized in Deep Groove Ball Bearings, Special Bearings.
We provide wide range of safety products such as class 0 deep groove ball bearings, stainless steel bearings, non-standard customized bearings and British R series. The main products cover 60,62, 63, 67, 68, 69 series, the annual output of more than 60 million sets of bearings. Products are widely used in household appliances, micro motors, power tools, motorcycles, automobiles, medical equipment, sports machinery and agricultural machinery and many other fields.We also accept the processing with customers’ drawings and samples.
Our products have been sold well in Europe, South America, Africa and Southeast Asia.On the basis of sincere-cooperation, equality and mutual benefit.We would like to establish long-term business relationship with customers all over the world.Good quality, competitive price, and satisfying service are our promises as a reliable trading partner.
FAQ
Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.
Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.
Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Field: | Conveyor, Diesel Hydraulic, Pump, Car Accessories |
|---|---|
| Application: | Pump, Motorcycle, Washing Machine, Car |
| Inner Diameter: | 20 |
| Outer Diameter: | 37 |
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

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.

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.

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.


editor by CX 2024-02-05
China OEM 6201 Auto Part Motorcycle Spare Part Wheel Bearing 6000 6200 6300 6400 6700 6800 6900 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, Fan, Skateboard wheel bearing
Product Description
Product Description
Basic Info.
| Model NO. | 6201 | Inner Diameter | 12mm |
| Load Direction | Radial Bearing | Outer Diameter | 32mm |
| Bearings Type | Ball Bearing/Roller Bearing/Auto Bearing | Rows Number | Single |
| Feature | Long Life, High Speed, Low Noise | Material | Gcr15, Chrome Steel, Stainless Steel, Carbon Steel |
| Precision | P0 P6 P5 P4 P2 | Application | Machinery Electric Accessories, Auto Spare Parts |
| Vibration | Z1V1, Z2V2, Z3V3; Z4V4 | Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Grease/Oil | Seals Type | Open/Zz/2RS |
| MOQ | 2PCS | Clearance | C0 /C2/C3 |
| Stock | Rich Stocks | Samples | Available |
| Transport | by Sea or by Air | Transport Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement |
| Specification | 12×32×10mm | Trademark | Allout, OEM, Neutral |
| Origin | HangZhou,ZHangZhoug, China | HS Code | 8482157100 |
| Production Capacity | 200000/Month | Warranty | One Year |
Product Description
Auto Part motorcycle spare part wheel bearing 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, fan,skateboard
General information of Allout deep groove ball bearing
Allout deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent grease overflow in the bearing.
Technical parameter of Allout deep groove ball bearing
| Model NO. | Inner Diameter (mm) |
outer Diameter (mm) |
Width/height | Basic Load Rating(N) | Limiting speed(rpm) | Weight | |||
| B | C | Cr | Cor | Grease | Oil | kg | |||
| 623 | 3 | 10 | 4 | 4 | 640 | 220 | 50000 | 60000 | 0.0016 |
| 624 | 4 | 13 | 5 | 5 | 1150 | 400 | 40000 | 48000 | 0.003 |
| 625 | 5 | 16 | 5 | 5 | 1880 | 680 | 36000 | 43000 | 0.0048 |
| 626 | 6 | 19 | 6 | 6 | 2800 | 1060 | 32000 | 40000 | 0.008 |
| 627 | 7 | 22 | 7 | 7 | 3290 | 1360 | 30000 | 36000 | 0.014 |
| 628 | 8 | 24 | 8 | 8 | 3330 | 1410 | 28000 | 34000 | 0.016 |
| 629 | 9 | 26 | 8 | 8 | 4160 | 1780 | 28000 | 34000 | 0.019 |
| 6200 | 10 | 30 | 9 | 9 | 5110 | 2380 | 25000 | 30000 | 0.032 |
| 6201 | 12 | 32 | 10 | 10 | 6180 | 3060 | 22000 | 26000 | 0.037 |
| 6202 | 15 | 35 | 11 | 11 | 7450 | 3700 | 19000 | 23000 | 0.045 |
| 6203 | 17 | 40 | 12 | 12 | 9560 | 4780 | 18000 | 21000 | 0.066 |
| 6204 | 20 | 47 | 14 | 14 | 12840 | 6650 | 15000 | 18000 | 0.106 |
| 6205 | 25 | 52 | 15 | 15 | 14571 | 7930 | 14000 | 17000 | 0.128 |
| 6206 | 30 | 62 | 16 | 16 | 19460 | 11310 | 11000 | 14000 | 0.199 |
| 6207 | 35 | 72 | 17 | 17 | 25670 | 15300 | 9500 | 12000 | 0.288 |
| 6208 | 40 | 80 | 18 | 18 | 29520 | 18140 | 8500 | 1000 | 0.366 |
| 6209 | 45 | 85 | 19 | 19 | 32500 | 20400 | 8000 | 9500 | 0.398 |
| 6210 | 50 | 90 | 20 | 20 | 35000 | 23200 | 7500 | 9000 | 0.454 |
| 6211 | 55 | 100 | 21 | 21 | 43500 | 29200 | 6700 | 8000 | 0.601 |
Our Advantages
Packaging & Shipping
Company Profile
HangZhou Abico Bearing Co., Ltd Was Founded in 2018 and Integrates R&D, Manufacturing, Trading, Sales of Bearings, Rollers, Pulleys.
We have passed the ISO 9001: 2008, ISO 14001: 2004, CE, SGS with a factory Over 13, 000 Square Meters. We Are Specialized in Deep Groove Ball Bearings, Special Bearings.
We provide wide range of safety products such as class 0 deep groove ball bearings, stainless steel bearings, non-standard customized bearings and British R series. The main products cover 60,62, 63, 67, 68, 69 series, the annual output of more than 60 million sets of bearings. Products are widely used in household appliances, micro motors, power tools, motorcycles, automobiles, medical equipment, sports machinery and agricultural machinery and many other fields.We also accept the processing with customers’ drawings and samples.
Our products have been sold well in Europe, South America, Africa and Southeast Asia.On the basis of sincere-cooperation, equality and mutual benefit.We would like to establish long-term business relationship with customers all over the world.Good quality, competitive price, and satisfying service are our promises as a reliable trading partner.
FAQ
Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.
Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.
Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Field: | Conveyor, Diesel Hydraulic, Pump, Car Accessories |
|---|---|
| Application: | Pump, Motorcycle, Washing Machine, Car |
| Inner Diameter: | 12 |
| Samples: |
US$ 0/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. |
|---|

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.

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.

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.


editor by CX 2024-02-04
China supplier 6900 Auto Part Machine Part Wheel Bearing 6000 6200 6300 6400 6700 6800 6900 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, Fan, Skateboard bearing bronze
Product Description
Product Description
Basic Info.
| Model NO. | 6900 | Inner Diameter | 10mm |
| Load Direction | Radial Bearing | Outer Diameter | 22mm |
| Bearings Type | Ball Bearing/Roller Bearing/Auto Bearing | Rows Number | Single |
| Feature | Long Life, High Speed, Low Noise | Material | Gcr15, Chrome Steel, Stainless Steel, Carbon Steel |
| Precision | P0 P6 P5 P4 P2 | Application | Ceiling Fan, Household Range, Car, Motor, Fan, Motorcycle Agriculture Mechanical |
| Vibration | Z1V1, Z2V2, Z3V3; Z4V4 | Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Grease/Oil | Seals Type | Open/Zz/2RS |
| MOQ | 2PCS | Clearance | C0 /C2/C3 |
| Stock | Rich Stocks | Samples | Available |
| Transport | by Sea or by Air | Transport Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement |
| Specification | 10×22×6mm | Trademark | Allout, OEM, Neutral |
| Origin | HangZhou,ZHangZhoug, China | HS Code | 8482157100 |
| Production Capacity | 200000/Month | Warranty | One Year |
Product Description
Auto Part motorcycle spare part wheel bearing 6402 Zz 2RS Deep Groove Ball Bearing for Electrical Motor, fan,skateboard
General information of Allout deep groove ball bearing
Allout deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. Deep groove ball structure is also divided into seal and open structure. The open type means that the bearing has no sealing structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof seal. The dust-proof seal cover is made of steel plate, which only serves as a simple way to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent grease overflow in the bearing.
Technical parameter of Allout deep groove ball bearing
| Model NO. | Inner Diameter (mm) |
outer Diameter (mm) |
Width/height | Basic Load Rating(N) | Limiting speed(rpm) | Weight | |||
| B | C | Cr | Cor | Grease | Oil | kg | |||
| 693 | 3 | 8 | 3 | 4 | 430 | 178 | 60000 | 67000 | 0.0006 |
| 694 | 4 | 11 | 4 | 4 | 960 | 350 | 48000 | 56000 | 0.0008 |
| 695 | 5 | 13 | 4 | 4 | 1070 | 420 | 43000 | 50000 | 0.0571 |
| 696 | 6 | 15 | 5 | 5 | 1470 | 600 | 40000 | 45000 | 0.0038 |
| 697 | 7 | 17 | 5 | 5 | 1600 | 710 | 36000 | 43000 | 0.0052 |
| 698 | 8 | 19 | 6 | 6 | 2230 | 910 | 36000 | 43000 | 0.007 |
| 699 | 9 | 20 | 6 | 6 | 2480 | 1090 | 34000 | 40000 | 0.0082 |
| 6900 | 10 | 22 | 6 | 6 | 2690 | 1270 | 30000 | 36000 | 0.01 |
| 6901 | 12 | 24 | 6 | 6 | 2890 | 1460 | 30000 | 36000 | 0.011 |
| 6902 | 15 | 28 | 7 | 7 | 4320 | 2250 | 24000 | 28000 | 0.017 |
| 6903 | 17 | 30 | 7 | 7 | 4590 | 2550 | 22000 | 26000 | 0.018 |
| 6904 | 20 | 37 | 9 | 9 | 6370 | 3680 | 19000 | 23000 | 0.036 |
| 6905 | 25 | 42 | 9 | 9 | 6660 | 4180 | 16000 | 19000 | 0.042 |
| 6906 | 30 | 47 | 9 | 9 | 7240 | 5571 | 14000 | 17000 | 0.048 |
| 6907 | 35 | 55 | 10 | 10 | 10390 | 7160 | 12000 | 15000 | 0.074 |
| 6908 | 40 | 62 | 12 | 12 | 13571 | 9200 | 11000 | 13000 | 0.11 |
| 6909 | 45 | 68 | 12 | 12 | 13940 | 10130 | 9800 | 12000 | 0.128 |
| 6910 | 50 | 72 | 12 | 12 | 13900 | 1571 | 8900 | 11000 | 0.132 |
| 6911 | 55 | 80 | 13 | 13 | 14820 | 12690 | 8200 | 9600 | 0.18 |
| 6912 | 60 | 85 | 13 | 13 | 15080 | 13480 | 7600 | 8900 | 0.193 |
| 6913 | 65 | 90 | 13 | 13 | 19950 | 17490 | 7000 | 8200 | 0.206 |
| 6914 | 70 | 100 | 16 | 16 | 25950 | 21850 | 6500 | 7700 | 0.334 |
| 6915 | 75 | 105 | 16 | 16 | 26780 | 23560 | 6100 | 7200 | 0.353 |
| 6916 | 80 | 110 | 16 | 16 | 27590 | 25280 | 5700 | 6700 | 0.373 |
Our Advantages
Packaging & Shipping
Company Profile
HangZhou Abico Bearing Co., Ltd Was Founded in 2018 and Integrates R&D, Manufacturing, Trading, Sales of Bearings, Rollers, Pulleys.
We have passed the ISO 9001: 2008, ISO 14001: 2004, CE, SGS with a factory Over 13, 000 Square Meters. We Are Specialized in Deep Groove Ball Bearings, Special Bearings.
We provide wide range of safety products such as class 0 deep groove ball bearings, stainless steel bearings, non-standard customized bearings and British R series. The main products cover 60,62, 63, 67, 68, 69 series, the annual output of more than 60 million sets of bearings. Products are widely used in household appliances, micro motors, power tools, motorcycles, automobiles, medical equipment, sports machinery and agricultural machinery and many other fields.We also accept the processing with customers’ drawings and samples.
Our products have been sold well in Europe, South America, Africa and Southeast Asia.On the basis of sincere-cooperation, equality and mutual benefit.We would like to establish long-term business relationship with customers all over the world.Good quality, competitive price, and satisfying service are our promises as a reliable trading partner.
FAQ
Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.
Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.
Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.
Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.
Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|

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.
| Contact Angle: | 0 |
|---|---|
| Aligning: | No
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment. It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation. n-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|

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.


editor by CX 2023-08-29