71916 FEGA/HCP4AL
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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71916 FEGA/HCP4AL Bearing Product Overview & Core Advantages
The 71916 FEGA/HCP4AL is a single-row angular contact ball bearing engineered for ultra-high precision and exceptional performance in demanding applications. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and rotational stability. Its ceramic ball construction and phenolic cage enable outstanding high-speed capabilities with a limiting speed of 28,000 rpm, while the 18° contact angle provides optimal axial load capacity. The bearing comes universally matchable (SU) and pre-lubricated, ensuring immediate installation and reliable operation.
71916 FEGA/HCP4AL Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71916 | Basic bearing designation indicating dimensions: 80mm bore, 110mm OD, 16mm width |
| FE | Steel cage design with optimized geometry for high-speed operation |
| GA | Contact angle of 18° providing balanced radial and axial load capacity |
| HC | Hybrid ceramic construction with silicon nitride balls |
| P4A | Ultra-precision tolerance class with enhanced dimensional and running accuracy |
71916 FEGA/HCP4AL Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls significantly reduces friction, minimizes heat generation, and extends service life, particularly in high-speed applications.
Precision Engineering: Manufactured to P4A tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration.
High-Speed Capability: The phenolic resin cage and ceramic balls work in synergy to achieve a remarkable limiting speed of 28,000 rpm while maintaining dimensional stability.
Optimized Load Capacity: With a 18° contact angle, the bearing efficiently handles combined radial and axial loads, featuring a dynamic load rating of 5,062 lbf and static load rating of 3,960 lbf.
Universal Matching: Designed as Universal Matchable (SU), these bearings can be paired in various configurations to accommodate complex loading requirements.
71916 FEGA/HCP4AL Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy and speed
- High-Speed Motors: Electric motors and generators operating at elevated rotational speeds
- Aerospace Systems: Aircraft auxiliary systems and instrumentation requiring reliable high-speed operation
- Medical Equipment: Dental handpieces and surgical tools demanding precision and reliability
- Robotics and Automation: Precision robotic joints and automation equipment requiring high accuracy and speed
