71916 CEGA/P4A
71900 Series Super Precision Angular Contact Ball Bearings
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71916 CEGA/P4A Bearing Product Overview & Core Advantages
The 71916 CEGA/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class with an extra light preload (Class A), this bearing delivers superior running precision and minimal vibration. Its 15° contact angle provides optimal performance for combined radial and axial loads, while the universal matching (SU) capability allows for flexible mounting configurations in demanding arrangements. The open design with phenolic cage enables high-speed operation up to 28,000 rpm, making it ideal for precision machinery where accuracy and reliability are paramount.
71916 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 71916 | Basic bearing designation with 80mm bore diameter | Standardized sizing for compatibility |
| CE | Contact angle of 15° | Optimized for combined load capacity |
| GA | Extra light preload (Class A) | Enhanced running precision and reduced vibration |
| P4A | High precision tolerance class | Superior dimensional and running accuracy |
71916 CEGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: The P4A tolerance class ensures minimal dimensional variations, providing exceptional running accuracy critical for high-speed applications. The extra light preload eliminates internal clearance, resulting in improved shaft positioning accuracy and reduced noise levels.
High-Speed Capability: Featuring a phenolic resin cage and optimized internal geometry, this bearing achieves limiting speeds of 28,000 rpm. The lightweight cage design reduces centrifugal forces, while the open structure facilitates efficient lubrication distribution.
Superior Load Capacity: With a 15° contact angle and chrome steel construction, the bearing delivers excellent combined load performance, handling both radial loads (5,152 lbf dynamic) and axial loads simultaneously. The 24 high-precision balls with 9.525mm diameter ensure optimal stress distribution and extended service life.
Universal Matching Design: As a Universal Matchable (SU) bearing, it can be paired with identical bearings in various configurations (back-to-back, face-to-face, or tandem) to meet specific application requirements for rigidity and load capacity.
71916 CEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional running accuracy
- High-Speed Motors: Precision electric motors and servo drives operating at elevated speeds
- Aerospace Systems: Critical rotating components in aircraft auxiliary systems and instrumentation
- Medical Equipment: Dental handpieces, laboratory centrifuges, and diagnostic imaging systems
- Robotics & Automation: Precision robotic joints and CNC positioning systems demanding high rigidity
- Test & Measurement Equipment: Coordinate measuring machines and optical inspection systems
