71919 CE/P4A
71900 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
71919 CE/P4A Bearing Product Overview & Core Advantages
The 71919 CE/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. This P4 (ABEC-7) tolerance class bearing is preloaded and pre-lubricated, making it ideal for machine tool spindles and other high-speed machinery where minimal runout and high system rigidity are critical. Its optimized 15° contact angle provides excellent performance under combined radial and axial loads.
71919 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71919 | Basic bearing series and size designation (95mm bore, 130mm OD) |
| CE | Contact angle of 15° and optimized internal design |
| P4A | P4 tolerance class (equivalent to ABEC-7) with specific accuracy requirements |
71919 CE/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance class with bore diameter tolerance of -0.008mm to 0 and outside diameter tolerance of -0.009mm to 0, ensuring exceptional running accuracy and system stability.
Optimized Internal Geometry: Features a 15° contact angle and phenolic resin cage that enables high-speed operation up to 21,000 rpm, making it suitable for demanding spindle applications.
Superior Load Capacity: With a radial dynamic load rating of 7,020 lbf and radial static load rating of 5,738 lbf, this bearing effectively handles combined radial and axial loads in high-speed environments.
Premium Material Selection: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability under continuous operation.
71919 CE/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers, grinding spindles, and milling machine spindles
- High-Speed Motors: Precision electric motors and servo drives requiring minimal vibration
- Precision Instrumentation: Medical equipment, measuring instruments, and optical devices
- Aerospace Components: Guidance systems and aircraft instrumentation requiring high reliability
- Robotics: High-accuracy robotic joints and precision positioning systems
