S7008 CDGC/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7008 CDGC/P4A Bearing Product Overview & Core Advantages
The S7008 CDGC/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a universal matchable (SU) single bearing, it can be paired with another identical bearing to form a preloaded duplex set, delivering superior performance under combined radial and axial loads. Manufactured to the stringent P4A tolerance class, it features a phenolic cage and comes pre-lubricated with grease, making it an ideal solution for high-speed spindles and other precision machinery where reliability is critical.
S7008 CDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CD | 15° contact angle, universal matchable duplex set | Optimized for combined loads and preload configuration |
| GC | Moderate preload (Class C) | Provides high rigidity and reduced deflection under load |
| P4A | High precision tolerance class | Ensures minimal runout and vibration for precision applications |
S7008 CDGC/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The 15° contact angle and universal matchable design enable the bearing to be preloaded in pairs, significantly increasing system rigidity. This allows it to handle substantial combined radial and axial loads (dynamic rating: 3780 lbf, static rating: 2475 lbf) while maintaining precision.
High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, contributing to the high limiting speed of 41,000 rpm. The optimized internal geometry further enhances high-speed stability.
Precision & Longevity: Manufactured to P4A tolerance class with tight dimensional controls (bore/OD tolerance: -0.004mm to 0), this bearing ensures smooth, quiet operation. The sealed design with pre-applied grease protects against contamination and provides long-term, maintenance-free service within a temperature range of -30°C to 110°C.
S7008 CDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and grinding spindles
- Precision Instrumentation: Measuring devices and optical equipment
- High-Speed Motors: Servo motors and spindle drives
- Medical Equipment: Dental handpieces and laboratory centrifuges
- Aerospace Components: Gyroscopes and navigation systems
