S7008 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7008 CE/HCP4A Bearing Product Overview & Core Advantages
The S7008 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This sealed bearing features a P4 (ABEC-7) tolerance class and is preloaded, ensuring minimal runout and superior system rigidity. Its design is optimized to handle combined loads efficiently, accommodating significant radial loads alongside thrust loads in one direction. The combination of a ceramic ball material and a phenolic cage contributes to its high-speed capability, low friction, and extended service life, making it an ideal solution for high-performance machinery.
S7008 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates the use of Hybrid Ceramic balls (Silicon Nitride, Si3N4), offering reduced weight, lower thermal expansion, and enhanced high-speed performance. |
| HC | Refers to the Phenolic Resin Cage, which provides excellent strength-to-weight ratio, low friction, and is suitable for high-speed operation. |
| P4A | Denotes the P4 (ABEC-7) precision class and the "A" signifies a specific contact angle of 15° and that the bearing is preloaded for immediate high-rigidity performance. |
S7008 CE/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The single, preloaded arrangement and P4 tolerance ensure exceptional system stiffness and rotational accuracy, critical for minimizing deflection under load.
- Superior Load Capacity: The 15° contact angle design is optimized to handle combined radial and axial loads simultaneously, providing reliable performance in complex loading conditions.
- Enhanced High-Speed Performance: The lightweight phenolic cage and low-density ceramic balls reduce centrifugal forces, enabling a high limiting speed of 36,000 rpm.
- Maintenance-Free Operation: As a sealed and lubricated unit, the bearing is protected from contamination and is ready for installation, offering long-term, reliable service with no required re-lubrication.
- Wide Temperature Range: Capable of operating in temperatures from -30°C to 110°C, ensuring performance stability across various environmental conditions.
S7008 CE/HCP4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Aerospace Actuators and Control Systems
- Medical and Dental Handpieces
- Advanced Robotics and Automation
