S71922 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S71922 CB/HCP4A Bearing Product Overview & Core Advantages
The S71922 CB/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered as a single matched arrangement with preload capability, this bearing delivers superior rotational precision and system rigidity. Its ceramic ball material and P4 (ABEC-7) tolerance class ensure minimal vibration and extended service life in high-speed environments, making it an ideal solution for precision machinery where uncompromising performance is critical.
S71922 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CB | Specific internal clearance and preload | Optimized for high rigidity and precise positioning |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enhanced high-speed performance and reduced thermal expansion |
| P4A | ABEC-7/P4 precision class with specific tolerance enhancements | Superior running accuracy for precision applications |
S71922 CB/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, enables higher limiting speeds (14,000 rpm), and provides excellent electrical insulation properties.
Precision Engineering: With P4 tolerance class and 15° contact angle, this bearing delivers exceptional running accuracy and can accommodate combined radial and axial loads simultaneously.
Advanced Cage Design: The phenolic cage material offers excellent strength-to-weight ratio, reduced friction, and superior performance at high rotational speeds.
Sealed & Lubricated: Factory-sealed design with premium lubrication ensures consistent performance across the operating temperature range of -30° to 110°C.
S71922 CB/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding applications
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Systems: Guidance systems, flight control mechanisms, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages
- High-Speed Motors: Spindle motors, precision servo drives, and high-frequency applications
