71910 CB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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71910 CB/HCP4ADGA Bearing Product Overview & Core Advantages
The 71910 CB/HCP4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This universal matchable bearing features a 15° contact angle and is manufactured to P4A tolerance class, delivering superior running accuracy. Its ceramic ball construction enables outstanding performance in high-speed and thermally challenging environments, while the phenolic cage ensures smooth operation at limiting speeds up to 46,000 rpm. This bearing is pre-lubricated and capable of handling combined radial and axial loads with high rigidity.
71910 CB/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CB | 15° contact angle, universal matchable | Optimized for combined loads and flexible mounting arrangements |
| HC | Hybrid ceramic balls | Reduced friction, higher speed capability, and extended service life |
| P4A | High precision tolerance class | Exceptional running accuracy and rotational precision |
| DGA | Extra light preload (Class A) | Minimal friction while maintaining shaft rigidity |
71910 CB/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls provides superior performance characteristics including reduced thermal expansion, electrical insulation properties, and exceptional durability in contaminated environments.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore diameter tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for precision applications.
High-Speed Capability: The phenolic resin cage combined with ceramic balls enables operation at limiting speeds of 46,000 rpm, making it ideal for high-speed spindle applications.
Universal Matching Design: As a universal matchable (SU) bearing, it can be mounted in various configurations (back-to-back, face-to-face, or tandem) without requiring selective assembly, simplifying installation and maintenance.
Thermal Stability: The ceramic ball material maintains dimensional stability across the operating temperature range of -30°C to 110°C, ensuring consistent performance in varying thermal conditions.
71910 CB/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring extreme accuracy
- High-Speed Motors: Electric motors and generators operating at elevated speeds
- Medical Equipment: Surgical handpieces, dental drills, and diagnostic imaging systems
- Aerospace Systems: Aircraft auxiliary power units and flight control mechanisms
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
- Test & Measurement Equipment: Coordinate measuring machines and optical inspection systems
