7215 CD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7215 CD/P4ADGB Bearing Product Overview & Core Advantages
The 7215 CD/P4ADGB is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a light preload (Class B) configuration, it delivers optimized performance in high-speed operations while maintaining dimensional stability. Its 15° contact angle enables efficient handling of combined radial and axial loads, making it ideal for precision machinery where high rigidity and minimal deflection are critical requirements.
7215 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CD | 15° contact angle, universal matchable design | Optimized for combined loads and universal mounting flexibility |
| P4A | High precision tolerance class | Superior running accuracy and dimensional stability |
| DGB | Light preload (Class B), duplex arrangement | Reduced deflection and enhanced system rigidity |
7215 CD/P4ADGB Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and consistent performance in precision applications.
High-Speed Capability: Features a phenolic cage and optimized internal geometry that enables operation at limiting speeds up to 22,000 rpm, making it suitable for high-speed spindle applications.
Enhanced Load Capacity: With a radial dynamic load rating of 26,325 lbf and static load rating of 28,125 lbf, the bearing delivers reliable performance under significant combined loads.
Universal Matching Design: The SU universal matchable configuration allows for flexible mounting arrangements without requiring selective assembly, simplifying installation and maintenance procedures.
7215 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy and rigidity
- High-Speed Motors: Precision electric motors and servo drives operating at elevated speeds
- Industrial Pumps: Centrifugal pumps and compressor systems demanding reliable performance under combined loads
- Precision Instrumentation: Medical equipment, measuring devices, and optical systems requiring minimal vibration and runout
- Aerospace Components: Guidance systems and auxiliary power units where precision and reliability are paramount
