71902 CE/P4ADGB
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
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
71902 CE/P4ADGB Bearing Product Overview & Core Advantages
The 71902 CE/P4ADGB is a super-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, it delivers superior running accuracy and dimensional stability. Its 15° contact angle and Universal Matchable (SU) design make it ideal for preloaded duplex arrangements, enabling it to handle combined loads (radial and axial) simultaneously with high rigidity. The phenolic cage and optimized internal geometry contribute to its high-speed capability, making it a top choice for high-precision spindles and other critical machinery.
71902 CE/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| 71902 | Basic bearing series designation | High-precision angular contact design |
| CE | 15° contact angle | Optimized for high-speed operation and moderate axial loads |
| P4A | Super precision tolerance class | Exceptional running accuracy and dimensional stability |
| DGB | Universal Matchable (SU) arrangement designation | Can be paired in duplex sets (DB, DF, DT) without selective mounting |
71902 CE/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design and capability for preloaded duplex arrangements provide high system rigidity, enabling the bearing to effectively handle combined radial and axial loads.
Super-Precision Performance: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring extreme positional accuracy.
High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, and the 15° contact angle is optimized for high-speed operation, achieving a limiting speed of 140,000 rpm.
Universal Matching: The Universal Matchable (SU) feature allows two bearings to be paired in various preloaded configurations (face-to-face, back-to-back, or tandem) directly from stock, simplifying installation and ensuring optimal performance.
71902 CE/P4ADGB Bearing Typical Application Areas
The 71902 CE/P4ADGB is engineered for the most demanding precision applications, including:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotics and Automation
- Medical and Dental Equipment Spindles
- Aerospace Actuation Systems
- High-Performance CNC Machining Centers
