China manufacturer Open Series Deep Groove Radial Ball Bearing bearing bronze

Product Description


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


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

Model Internal diameter External diameter Height Weight
MR52 2 5 2.5 0.00571
MR62 2 6 2.5 0.00032
MR63 3 6 2.5 0.00035
MR83 3 8 3 0.00038
MR93 3 9 4 0.00052
MR74 4 7 2 0.00048
MR84 4 8 3 0.00055
MR104 4 10 4 0.00068
MR85 5 8 2 0.00063
MR95 5 9 3 0.00065
MR105 5 10 4 0.0012
MR115 5 11 4 0.0019
MR106 6 10 2.5 0.0018
MR126 6 12 3 0.0019
MR117 7 11 2.5 0.0018
MR137 7 13 4 0.0571
MR128 8 12 2.5 0.0026
MR148 8 14 3.5 0.0032
R144 3.175 6.35 2.38 0.0571
R2 3.175 9.525 3.967 0.00065
R155 3.967 7.938 3.175 0.00065
R156 4.762 7.938 3.175 0.00065
R1166 4.762 9.525 3.175 0.0012
R3 6.35 12.7 4.978 0.0018
R168 6.35 9.525 3.175 0.0016
R188 6.35 12.7 4.762 0.0018
R4 6.35 15.875 4.978 0.0032
R1810 7.938 12.7 3.967 0.0571
R6 9.525 22.225 7.142 0.016
R8 12.7 28.575 7.938 0.018
MR104 15.875 34.925 8.733 0.571
R12 19.05 41.275 7.938 0.052
6700 10 15 3 0.001
6701 12 18 4 0.002
6702 15 21 4 0.002
6703 17 47 10 0.003
6704 20 27 4 0.006
6705 25 32 4 0.018
6706 30 37 4 0.571
6707 35 44 5 0.026
6708 40 50 6 0.571
6709 45 55 6 0.033
6710 50 62 6 0.04
6711 55 68 7 0.052
6712 60 75 10 0.084


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.

The customized LOGO or drawing is acceptable for us.

1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 10 pcs customized your brand bearings.

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

Please visit our  bearings website, we strongly encourage that you can communicate with us through email, thanks! 

Quality: High Quality
Inventory: Abundant
Major Market: Global
Trait: Bainite Process, High Quality Bearing Steel
Seal Type: Open Type
Minimum Order Quantity: One
US$ 6.95/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

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

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 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 manufacturer Open Series Deep Groove Radial Ball Bearing   bearing bronzeChina manufacturer Open Series Deep Groove Radial Ball Bearing   bearing bronze
editor by CX 2023-11-16

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