71902 CE/HCP4AH
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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71902 CE/HCP4AH Bearing Product Overview & Core Advantages
The 71902 CE/HCP4AH is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and speed capability. Designed to accommodate primarily axial loads in one direction, this bearing features a P4A tolerance class for superior dimensional precision and ceramic balls for enhanced performance in demanding conditions. Its compact design with a 15 mm bore and 7 mm width makes it ideal for space-constrained, high-speed applications where reliability and precision are paramount.
71902 CE/HCP4AH Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CE | 15° contact angle | Optimized for combined radial and axial loads |
| HC | Hybrid ceramic balls | Reduced friction, higher speed capability, and longer service life |
| P4A | High precision tolerance class | Superior running accuracy and dimensional stability |
71902 CE/HCP4AH Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, enabling higher limiting speeds (140,000 rpm) while providing excellent wear resistance and extended service life.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), ensuring exceptional running accuracy and consistent performance in precision applications.
Optimized Cage Design: The phenolic resin cage provides excellent dimensional stability at high speeds while reducing weight and friction, contributing to the bearing's exceptional high-speed performance.
Angular Contact Design: With a 15° contact angle, this bearing is specifically designed to handle combined radial and axial loads efficiently, making it suitable for applications requiring precise axial positioning.
71902 CE/HCP4AH Bearing Typical Application Areas
- High-speed machining spindles for precision manufacturing equipment
- Dental and medical handpieces requiring high rotational speeds and accuracy
- Aerospace components and instrumentation where reliability is critical
- Precision robotics and automation systems
- High-frequency spindles in PCB drilling and milling machines
- Laboratory and analytical equipment requiring minimal vibration and high precision
