71914 ACE/HCP4ALTGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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71914 ACE/HCP4ALTGA Bearing Product Overview & Core Advantages
The 71914 ACE/HCP4ALTGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing features a 25° contact angle and ceramic ball construction, enabling superior high-speed capability with a limiting speed of 31,000 rpm. Its extra light preload (Class A) ensures minimal friction and optimal running accuracy, while the phenolic cage provides excellent dimensional stability under thermal variations. This bearing is specifically engineered to handle combined loads with high rigidity, making it ideal for precision spindles and high-rotation accuracy systems.
71914 ACE/HCP4ALTGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACE | 25° contact angle, universal matchable | Optimized for combined radial and axial loads |
| HC | Hybrid ceramic balls | Reduced weight, higher speed capability, electrical insulation |
| P4A | High precision tolerance class | Exceptional running accuracy and minimal vibration |
| L | Light preload | Reduced friction, improved high-speed performance |
71914 ACE/HCP4ALTGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls (Si3N4) significantly reduces centrifugal forces, enabling higher rotational speeds while providing electrical insulation properties. This hybrid design also offers superior wear resistance and extended service life.
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, this bearing delivers exceptional running accuracy and minimal vibration. The phenolic resin cage ensures excellent dimensional stability across the operating temperature range of -30°C to 110°C.
Universal Matching Capability: As an SU-type universal matchable bearing, the 71914 ACE/HCP4ALTGA can be mounted in various preload configurations without selective matching. This feature simplifies installation and maintenance while ensuring consistent performance in multi-bearing arrangements.
High Load Capacity: With a dynamic load rating of 10,102 lbf and static load rating of 10,238 lbf, this bearing provides reliable performance under significant combined loads. The optimized 25° contact angle ensures efficient distribution of both radial and axial forces.
71914 ACE/HCP4ALTGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision milling applications
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages, and inspection equipment
- High-Speed Motors: Servo motors, spindle motors, and high-frequency drive systems
