7210 CD/P4A Super Precision Single Row Angular Contact Ball Bearing
7210 CD/P4A 50*90*20 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-capacity, single row angular contact ball bearing
The 7210 CD/P4A bearing,with a bore diameter of 50 mm,outside diameter of 90 mm,and width of 20 mm,features precise dimensions, high static load capacity, and is manufactured to the P4A precision grade. Equipped with hybrid ceramic balls, this bearing delivers superior performance and reliability, making it ideal for applications that require high rotational accuracy and stability.
| Part Number | 7210 CD/P4A | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 50 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 | |
| Outer Bore Diameter (D) | 90 mm | |
| Outer Bore Diameter Tolerance | -0.008 mm to 0 | |
| Width (B) | 20 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Chrome Steel | |
| Cage Material | Phenolic | |
| Number of Rows | 1 Single Row | |
| Seal Type | Open | |
| Temperature Range | -30°C to 150°C | |
| Lubrication | Oil or Grease | |
| Tolerance Class | P4A better than P4 (ABEC-7) | |
| Weight | 0.45 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 44900 N |
| Static Radial Load | 34000 N | |
| Reference Speed For Grease (r/min) | 16,000 rpm | |
| Limiting Speed For Oil(r/min) | 26,000 rpm | |
What's the Performance Features of 7210 CD/P4A Bearing?
The 7210 CD/P4A angular contact ball bearing is manufactured to P4A precision grade standards, excels in high-precision and high-performance applications. It handles both radial and axial loads simultaneously, supports high-speed operation with stability, minimizes torque and friction for energy efficiency, and offers enhanced rigidity for accuracy under heavy loads. Built with hybrid ceramic balls, this durable bearing ensures extended service life and effective performance across a wide temperature range, making it ideal for applications requiring superior rotational accuracy and reliability.
What's the Applications of the 7210 CD/P4A Bearing?
The 7210 CD/P4A bearing, a precision angular contact ball bearing , is widely used in various industries due to its high performance. Below are the main application areas:
1. Machine Tools
In machine tools, high precision and speed are essential. The 7210 CD/P4A excels in speed, load capacity, and wear resistance, ensuring stable and accurate operations. For example, in woodworking machines, it ensures precise cutting and shaping by stabilizing tool rotation, improving processing quality.
2. Mechanical Manufacturing
This bearing supports and transmits motion in mechanical systems. In shoe-making machines like front-heel machines, its high precision ensures accurate operation, enhancing production efficiency and product quality.
3. Fluid Machinery
In fluid machinery such as pneumatic pumps and Roots pumps, the bearing provides excellent sealing and stability. It reduces leakage and vibration, ensuring efficient and reliable pump operation.
4. Welding and Processing
- Roll Welding Machines: The bearing ensures precise alignment and stable rotation during welding, improving weld quality.
- Hot Melt Glue Machines: It stabilizes glue nozzle operations, ensuring uniform and accurate glue application.
5. Guide Rails and Embossing
- Sliding Guide Rails: The bearing’s smooth sliding performance and load-carrying capacity improve rail movement and equipment efficiency.
- Embossing Machines: It ensures precise control of pressure and position during embossing, delivering stable and accurate results.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

