71914 FE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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71914 FE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 71914 FE/HCPA9ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. As a universal matchable (SU) bearing supplied in a pre-lubricated set of two, it enables simplified installation and optimal performance in high-speed configurations. Its ceramic ball construction and PA9A tolerance class deliver superior rotational accuracy, low heat generation, and extended service life, making it ideal for high-reliability machinery.
71914 FE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing series and size designation (70mm bore, 100mm OD) |
| FE | Precision design and manufacturing features |
| HC | Hybrid Ceramic construction (steel rings with ceramic balls) |
| PA9A | High precision tolerance class (PA9A) |
| DGA | Universal Matchable (SU) arrangement, pre-lubricated |
71914 FE/HCPA9ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls significantly reduces friction, minimizes heat buildup, and enables higher operating speeds compared to all-steel bearings. This construction also provides superior resistance to electrical erosion and longer service life.
Precision Engineering: Manufactured to PA9A tolerance class with an 18° contact angle and extra light preload (Class A), this bearing delivers exceptional running accuracy and minimal vibration for sensitive applications.
High-Speed Capability: The phenolic cage and optimized bearing dimensions contribute to a limiting speed of 28,000 rpm, while the 22 ceramic balls ensure smooth operation at high velocities.
Universal Matching: As a Universal Matchable (SU) bearing supplied in a matched set of two, it simplifies installation and ensures optimal preload and performance in back-to-back or face-to-face arrangements.
71914 FE/HCPA9ADGA Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- High-Frequency Motors - Spindles for PCB drilling and semiconductor manufacturing
- Precision Instrumentation - Medical devices and laboratory equipment
- Aerospace Systems - Gyroscopes and navigation equipment
- Robotics - High-precision robotic joints and actuators
