S71908 CEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S71908 CEGA/P4A Bearing Product Overview & Core Advantages
The S71908 CEGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single bearing with Universal Matchable (SU) designation, it can be paired with another identical bearing to form a precisely matched set that handles combined loads efficiently. Featuring a 15° contact angle and extra light preload (Class A), this bearing delivers outstanding high-speed performance while maintaining running accuracy. The sealed construction with grease lubrication ensures long-term reliability in demanding operating conditions from -30°C to 110°C.
S71908 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CEGA | Universal matching bearing with specific internal clearance and preload | Enables precise bearing pairing for optimal performance in matched arrangements |
| P4A | High precision tolerance class | Superior running accuracy and dimensional stability for precision applications |
S71908 CEGA/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional dimensional accuracy and consistent performance.
Optimized Load Capacity: The 15° contact angle design provides excellent capability for handling combined radial and axial loads, with dynamic load rating of 2194 lbf and static load rating of 1350 lbf.
Superior High-Speed Performance: Featuring a phenolic cage and optimized internal geometry, this bearing achieves a limiting speed of 41,000 rpm, making it ideal for high-speed applications.
Enhanced Reliability: The sealed construction with grease lubrication provides protection against contamination while maintaining consistent performance across a wide temperature range (-30°C to 110°C).
Premium Materials: Constructed from chrome steel for both rings and balls, with 19 balls of 6.35mm diameter, ensuring durability and long service life.
S71908 CEGA/P4A Bearing Typical Application Areas
- Machine tool spindles requiring high precision and speed
- High-speed machining centers and precision manufacturing equipment
- Industrial pumps and compressors demanding reliable performance
- Precision instruments and measuring equipment
- Medical equipment and dental handpieces
- Aerospace components and navigation systems
- Robotics and automation systems requiring accurate positioning
