S71910 CE/P4ADGC
Sealed Super Precision Angular Contact Ball Bearings
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Main Dimensions
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S71910 CE/P4ADGC Bearing Product Overview & Core Advantages
The S71910 CE/P4ADGC is a super-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-set pair, it delivers outstanding performance under combined radial and axial loads. Manufactured to P4A tolerance class and featuring a phenolic cage with grease lubrication, this bearing is engineered for high-speed operation and long-term reliability in precision machinery.
S71910 CE/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71910 | Super-precision angular contact ball bearing series with 50mm bore diameter |
| CE | Contact angle of 15° |
| P4A | High precision tolerance class (exceeds ABEC 7) |
| DGC | Universal matchable bearing pair with moderate preload (Class C) |
S71910 CE/P4ADGC Bearing Structural Features & Performance Benefits
Enhanced Rigidity and Load Capacity: The universal matching arrangement with two bearings provides superior stiffness, enabling stable operation under combined loads. With a radial dynamic load rating of 4680 lbf and static rating of 3825 lbf, this bearing delivers reliable performance in demanding applications.
High-Speed Capability: The phenolic cage and optimized 15° contact angle contribute to excellent high-speed performance, achieving limiting speeds up to 34,000 rpm. The precision-ground chrome steel components ensure minimal vibration and heat generation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore tolerance: -0.004mm to 0), this bearing guarantees exceptional running accuracy and positional stability for precision applications.
Maintenance Efficiency: The sealed design with factory-applied grease lubrication provides long-term protection against contamination, reducing maintenance requirements and extending service life.
S71910 CE/P4ADGC Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers, grinding spindles, and CNC milling machines
- High-Speed Motors: Spindle motors, servo motors, and precision electric motors
- Precision Instrumentation: Measuring equipment, optical instruments, and laboratory apparatus
- Aerospace Components: Gyroscopes, navigation systems, and aircraft control mechanisms
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
