71934 CD/P4ADGB
71900 Series Super Precision Angular Contact Ball Bearings
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71934 CD/P4ADGB Bearing Product Overview & Core Advantages
The 71934 CD/P4ADGB is a precision angular contact ball bearing designed for high-performance applications requiring exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-loaded pair, it delivers outstanding stability and can accommodate combined loads (radial and axial) simultaneously. Manufactured to P4A tolerance class, it offers superior running accuracy, making it ideal for high-speed spindles and precision machinery where reliability is critical.
71934 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71934 | Basic bearing designation with 170mm bore diameter |
| CD | Universal matchable bearing design with 15° contact angle |
| P4A | High precision tolerance class for exceptional running accuracy |
| DGB | Light preload (Class B) for optimal stiffness and performance |
71934 CD/P4ADGB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with tight dimensional controls (±0.004mm on diameters) ensures minimal runout and vibration, critical for precision applications.
Optimized Load Capacity: With a 15° contact angle and 29 chrome steel balls, this bearing delivers excellent combined load capacity (47,700 lbf dynamic, 75,375 lbf static) while maintaining high-speed capability.
High-Speed Performance: The phenolic cage and optimized internal geometry enable a limiting speed of 16,250 rpm, making it suitable for demanding high-speed applications.
Universal Matching Capability: As universal matchable (SU) bearings supplied in sets of two, they can be arranged in various configurations (back-to-back, face-to-face, or tandem) to meet specific application requirements for stiffness and load distribution.
71934 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy and rigidity
- Precision Gearboxes: Industrial transmission systems demanding high-speed operation and reliable performance
- High-Speed Motors: Electric motors and spindles in manufacturing and automation equipment
- Medical Equipment: Precision medical devices and diagnostic equipment requiring smooth, accurate rotation
- Aerospace Components: Critical rotating assemblies in aerospace applications where reliability is paramount
