7210 CD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7210 CD/P4ADGB Bearing Product Overview & Core Advantages
The 7210 CD/P4ADGB is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This universal matchable (SU) bearing features a 15° contact angle and light preload (Class B), making it ideal for arrangements where precise axial positioning and high-speed capability are critical. Its P4A tolerance class ensures superior running accuracy, while the phenolic cage contributes to smooth operation at high rotational speeds. This bearing is optimized to handle combined radial and axial loads simultaneously, providing reliable performance in precision machinery.
7210 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7210 | Basic bearing designation (50mm bore, 90mm OD, 40mm width) |
| CD | Contact angle of 15° |
| P4A | High precision tolerance class |
| DGB | Universal matchable bearing (can be paired in any combination) |
7210 CD/P4ADGB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0) for exceptional running accuracy and minimal vibration.
Optimized Load Capacity: The 15° contact angle design enables efficient handling of combined radial and axial loads, with dynamic load rating of 16,380 lbf and static load rating of 15,300 lbf.
High-Speed Performance: The phenolic resin cage and optimized internal geometry allow for limiting speeds up to 41,000 rpm, making it suitable for high-speed spindle applications.
Universal Matching Capability: As a Universal Matchable (SU) bearing, it can be paired in any combination without pre-selection, simplifying installation and maintenance while ensuring optimal preload conditions.
Premium Material Selection: Constructed from chrome steel for rings and balls, providing excellent wear resistance and durability under demanding operating conditions.
7210 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding machines
- Precision Industrial Pumps - Chemical processing and hydraulic systems
- High-Speed Compressors - Air and gas compression equipment
- Robotics and Automation - Precision joints and rotary axes
- Medical Equipment - Diagnostic imaging systems and laboratory instruments
- Aerospace Components - Guidance systems and auxiliary power units
