S71914 CEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S71914 CEGA/HCP4A Bearing Product Overview & Core Advantages
The S71914 CEGA/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This sealed ceramic hybrid bearing features a 15° contact angle and P4A super-precision tolerance, delivering superior rotational accuracy and rigidity. Its ceramic balls and phenolic cage enable outstanding high-speed capabilities up to 28,000 rpm while providing excellent resistance to thermal expansion. The bearing is universally matchable and comes pre-lubricated for immediate installation, making it ideal for precision machinery where reliability and minimal maintenance are critical.
S71914 CEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| S71914 | Super-precision angular contact bearing series with 70mm bore | High-precision foundation for critical applications |
| CE | Hybrid ceramic balls (Silicon Nitride) | Reduced friction, higher speed capability, electrical insulation |
| GA | Light preload (Class A) | Optimized stiffness with minimal heat generation |
| HCP4A | P4A tolerance class with universal matching capability | Ultra-precise dimensional control for matched pair arrangements |
S71914 CEGA/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings with ceramic balls significantly reduces centrifugal forces, enabling higher rotational speeds while providing electrical insulation properties. This construction also offers superior corrosion resistance and extended service life.
Phenolic Resin Cage: The lightweight phenolic cage provides excellent dimensional stability at high speeds and temperatures, contributing to the bearing's exceptional high-speed performance and smooth operation.
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, this bearing ensures precise running accuracy and minimal vibration for demanding applications.
Optimized Load Capacity: With a 15° contact angle and dynamic load rating of 4972 lbf, the bearing efficiently handles combined radial and axial loads while maintaining high rigidity.
Sealed & Pre-lubricated: The integrated sealing and factory-applied grease provide immediate protection against contamination and ensure reliable operation within the specified temperature range of -30°C to 110°C.
S71914 CEGA/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision milling applications
- High-Speed Motors: CNC spindle motors, servo motors, and high-frequency electric motors
- Precision Instruments: Measuring equipment, optical instruments, and laboratory apparatus
- Aerospace Systems: Gyroscopes, navigation systems, and aircraft control mechanisms
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Robotics: Precision robot joints, articulated arms, and automation equipment
