71816 CDGA/HCP4
Hybrid Ceramic Super Precision Bearings
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71816 CDGA/HCP4 Bearing Product Overview & Core Advantages
The 71816 CDGA/HCP4 is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. As a single bearing with extra light preload (Class A), it delivers minimal friction and optimal running precision. Its ceramic ball construction and P4 tolerance class enable superior rotational accuracy, making it ideal for high-rigidity applications requiring reliable operation under combined loads. This bearing is pre-lubricated and features an open design for controlled lubrication management in precision systems.
71816 CDGA/HCP4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71816 | Basic bearing designation indicating size series and bore diameter |
| CDGA | Universal matching bearing designation with specific contact angle and preload |
| HCP4 | Hybrid ceramic balls with P4 precision tolerance class |
71816 CDGA/HCP4 Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, minimizes heat generation, and extends service life, particularly in high-speed applications.
Precision Engineering: Manufactured to P4 tolerance class with tight dimensional control (bore diameter tolerance: -0.004mm to 0), ensuring exceptional running accuracy and consistent performance.
High-Speed Capability: The phenolic cage and ceramic balls enable operation at limiting speeds up to 28,000 rpm, making it suitable for demanding high-speed applications.
Optimized Load Capacity: With a 15° contact angle and robust construction, this bearing effectively handles combined radial and axial loads while maintaining precision.
Universal Matching: Designed as part of a universal matchable set, allowing for precise bearing arrangements in matched sets of three for complex spindle configurations.
71816 CDGA/HCP4 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- High-Speed Motors: Precision electric motors and servo drives
- Aerospace Systems: Gyroscopes, navigation systems, and auxiliary power units
- Medical Equipment: Dental handpieces, surgical tools, and laboratory instruments
- Semiconductor Manufacturing: Wafer handling robots and precision positioning systems
