S7004 CEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7004 CEGA/P4A Bearing Product Overview & Core Advantages
The S7004 CEGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this metric bearing features a 15° contact angle and an extra light preload (Class A), making it ideal for high-speed spindles and precision machinery. Its sealed design with phenolic cage ensures reliable performance under combined radial and axial loads, offering superior operational stability in demanding environments.
S7004 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CEGA | Universal Matchable bearing set configuration | Enables precise bearing arrangement in sets of 4 for optimal stiffness and load distribution |
| P4A | High precision tolerance class | Ensures exceptional running accuracy and minimal vibration for precision applications |
S7004 CEGA/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4A tolerance standards with tight dimensional control (bore diameter tolerance: -0.004mm to 0) ensures minimal runout and vibration.
Optimized Load Capacity: The 15° contact angle provides excellent capability to handle combined loads (radial dynamic load rating: 1667 lbf) while maintaining precision.
High-Speed Performance: The phenolic cage material and optimized internal geometry enable operation at limiting speeds up to 100,000 rpm, making it suitable for high-speed applications.
Sealed & Lubricated Design: Integrated sealing with grease lubrication provides contamination protection and long-term reliability across a temperature range of -30°C to 110°C.
S7004 CEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles
- High-Speed Motors: Precision electric motors and servo drives
- Medical Equipment: Dental handpieces and surgical tools
- Aerospace Systems: Guidance systems and precision instrumentation
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
