71913 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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71913 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 71913 CE/HCP4ADGA is a high-precision angular contact ball bearing engineered 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 applications requiring minimal deflection and high running accuracy. Its ceramic ball construction and P4A tolerance class ensure superior performance in high-speed and high-rigidity applications, while the phenolic cage contributes to excellent operational characteristics.
71913 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CE | Hybrid bearing with ceramic balls and steel rings |
| HC | High carbon chromium bearing steel rings |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| DGA | Universal matchable bearing designed for back-to-back (DB) or face-to-face (DF) mounting |
71913 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls provides superior performance in high-speed applications, reducing centrifugal forces and enabling higher limiting speeds (31,000 rpm). The ceramic material also offers excellent electrical insulation properties and reduced thermal expansion.
Precision Engineering: Manufactured to P4A tolerance class, this bearing ensures exceptional dimensional stability and running accuracy. The extra light preload (Class A) minimizes deflection while maintaining high system rigidity, making it ideal for precision applications.
Optimized Cage Design: The phenolic cage provides excellent strength-to-weight ratio and operates effectively at high speeds with minimal friction. This contributes to the bearing's ability to handle combined loads efficiently while maintaining stable operation.
Universal Matching Capability: As an SU type universal matchable bearing, it can be paired with identical bearings in various configurations to handle complex load conditions, including combined radial and axial loads in both directions.
71913 CE/HCP4ADGA Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed motors and precision spindles
- Medical equipment and dental handpieces
- Aerospace components and instrumentation
- Robotics and automation systems requiring high accuracy
- Semiconductor manufacturing equipment
- Precision measuring instruments and optical systems
