71810 CDGA/P4
71800 Series Super Precision Angular Contact Ball Bearings
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71810 CDGA/P4 Bearing Product Overview & Core Advantages
The 71810 CDGA/P4 is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 tolerance class, this bearing delivers superior dimensional stability and running accuracy. Its 15° contact angle is optimized to handle significant axial loads in one direction while supporting radial loads, making it ideal for applications demanding high-speed operation and precise positioning. The bearing comes pre-lubricated and features a phenolic resin cage for reduced weight and enhanced performance at high rotational speeds.
71810 CDGA/P4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71810 | Basic bearing designation indicating a metric, single-row angular contact ball bearing with 50mm bore, 65mm OD, and 7mm width. |
| C | 15° nominal contact angle, optimized for combined loads and high-speed operation. |
| DG | Universal Matchable (SU) bearing designed for preloaded duplex arrangements. |
| A | Extra light preload class, providing minimal axial clearance for high precision applications. |
| P4 | High precision tolerance class with tight dimensional and running accuracy specifications. |
71810 CDGA/P4 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance standards with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and consistent performance in precision applications.
Optimized Load Capacity: The 15° contact angle provides excellent axial load capacity in one direction while maintaining substantial radial load capability (1667 lbf dynamic, 1755 lbf static), making it suitable for combined loading conditions.
High-Speed Performance: The phenolic resin cage reduces rotational mass and friction, enabling operation at limiting speeds up to 46,000 rpm while maintaining stability and reducing heat generation.
Precision Matching Capability: Designed as Universal Matchable (SU) bearings, these can be mounted in various preloaded configurations (back-to-back, face-to-face, or tandem) to achieve specific stiffness and accuracy requirements.
Temperature Stability: Operating temperature range of -30°C to 110°C ensures reliable performance across diverse environmental conditions.
71810 CDGA/P4 Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding spindles requiring P4 accuracy
- Precision Instrumentation: Measuring equipment, optical instruments, and laboratory apparatus
- High-Speed Motors: Spindle motors and high-frequency electric motors
- Aerospace Components: Gyroscopes, navigation systems, and aircraft instrumentation
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Robotics: Precision joints and articulation points in industrial robots
