S71910 CB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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S71910 CB/HCP4ADGA Bearing Product Overview & Core Advantages
The S71910 CB/HCP4ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This matched pair set features a 15° contact angle and P4A super-precision tolerance, enabling it to handle combined radial and axial loads simultaneously with high rigidity. Its construction with ceramic balls and phenolic cage makes it an ideal high-speed bearing solution for machine tool spindles and other precision equipment where thermal stability and minimal vibration are critical.
S71910 CB/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Advantage |
|---|---|---|
| 719 | High-Precision Angular Contact Bearing Series | Optimized for precision applications with tight tolerances |
| CB | Universal Matchable (15° contact angle) | Enables flexible mounting arrangements in pairs |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Reduced weight, higher speed capability, and electrical insulation |
| P4A | Super Precision Tolerance Class | Exceptional running accuracy for high-precision applications |
| DGA | Grease Lubrication, Sealed | Maintenance-free operation with contamination protection |
S71910 CB/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and silicon nitride ceramic balls provides superior performance characteristics including 60% less weight, higher stiffness, and the ability to operate at higher temperatures compared to all-steel bearings. This construction significantly enhances the limiting speed capability while providing electrical insulation.
Precision Engineering: Manufactured to P4A tolerance class with tight bearing dimensions control (bore: 50mm, OD: 72mm, width: 24mm), this bearing ensures minimal runout and vibration for applications requiring extreme accuracy.
Optimized Cage Design: The phenolic resin cage offers excellent strength-to-weight ratio and operates effectively at high speeds with minimal friction, contributing to the bearing's impressive 34,000 rpm limiting speed.
Universal Matching Capability: As a universal matchable bearing (SU designation), these bearings can be mounted in various configurations (back-to-back, face-to-face, or tandem) to accommodate different load conditions and stiffness requirements.
S71910 CB/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and milling applications
- Precision Instrumentation: Measuring equipment, optical devices, and laboratory instruments
- High-Speed Motors: Servo motors, spindle motors, and other high-RPM electric motors
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
