708 CD/P4ADGC
Miniature Super Precision Angular Contact Ball Bearings
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708 CD/P4ADGC Bearing Product Overview & Core Advantages
The 708 CD/P4ADGC is a precision angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-loaded pair, it delivers superior performance in handling combined radial and axial loads. Manufactured to P4A tolerance class, this bearing ensures high running accuracy and is pre-lubricated for immediate use, making it ideal for high-speed, high-precision machinery.
708 CD/P4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 708 | Basic bearing series designation |
| CD | Universal matchable bearing pair with moderate preload (Class C) |
| P4A | High precision tolerance class for superior running accuracy |
| DGC | Designates specific internal geometry and phenolic cage material |
708 CD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The universal matchable pair with moderate preload provides exceptional system stiffness, enabling precise control of shaft displacement under combined radial and axial loads. The 15° contact angle optimizes axial load carrying capability.
High-Speed Performance: The lightweight phenolic cage and optimized internal geometry contribute to stable operation at limiting speeds up to 110,000 rpm, making it suitable for demanding high-speed applications.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore and OD tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for superior positioning accuracy.
Ready-to-Use Configuration: The pre-lubricated, open seal type design allows for optimal lubrication management while the matched pair eliminates complex mounting calculations, reducing installation time and ensuring consistent performance.
708 CD/P4ADGC Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed motors and precision servo systems
- Medical equipment and dental handpieces
- Aerospace instrumentation and guidance systems
- Semiconductor manufacturing equipment
- Precision grinding spindles
