71914 CE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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71914 CE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 71914 CE/HCPA9ADGA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing features a 15° contact angle and extra light preload (Class A), making it ideal for high-speed spindle applications. Its ceramic ball construction and PA9A tolerance class ensure superior dimensional stability and rotational precision. The bearing comes pre-lubricated and is capable of handling combined radial and axial loads simultaneously.
71914 CE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71914 | Basic bearing designation with 70mm bore, 100mm OD |
| CE | Ceramic balls for enhanced speed capability and reduced friction |
| HCPA9A | High precision tolerance class (PA9A) with specific internal design |
| DGA | Universal matchable bearing set designation |
71914 CE/HCPA9ADGA Bearing Structural Features & Performance Benefits
High-Speed Performance: The combination of ceramic balls and phenolic cage enables exceptional limiting speeds up to 24,000 rpm, reducing centrifugal forces and operating temperatures.
Precision Engineering: Manufactured to PA9A tolerance class with tight dimensional controls (±0.004mm on bore and OD), ensuring consistent performance in high-precision applications.
Superior Rigidity: The 15° contact angle and optimized internal geometry provide excellent stiffness for high-rigidity applications requiring minimal deflection.
Thermal Stability: Ceramic balls exhibit lower thermal expansion compared to steel, maintaining preload and accuracy across the operating temperature range (-30°C to 110°C).
71914 CE/HCPA9ADGA Bearing Typical Application Areas
- Machine tool spindles for high-speed milling and grinding operations
- Precision machining centers requiring exceptional rotational accuracy
- High-speed motor spindles in manufacturing equipment
- Aerospace components and precision instrumentation
- Medical device manufacturing equipment
- Semiconductor processing equipment
