S7012 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7012 ACE/HCP4A Bearing Product Overview & Core Advantages
The S7012 ACE/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional speed and rigidity. Engineered to simultaneously handle combined radial and axial loads, this metric-series bearing features a single, preloaded arrangement for immediate high-stiffness performance. Its construction with a phenolic cage and ceramic balls enables superior high-speed operation, while the sealed design and factory-applied lubrication ensure long-term, maintenance-free reliability in precision machinery.
S7012 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| S7012 | Bearing series and size designation (60mm bore, 95mm OD, 18mm width) | Defines the standard bearing dimensions. |
| ACE | 25° contact angle and enhanced internal design | Optimized for high axial load capacity and high rigidity. |
| HC | Hybrid Ceramic (Ceramic balls, steel rings) | Reduces friction and weight, enabling higher speeds and longer life. |
| P4 | Tolerance class (ABEC-7 / ISO P4) | Guarantees ultra-precision bearing performance with tight runout tolerances. |
S7012 ACE/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and provides electrical insulation, making it an ideal high-speed bearing.
Phenolic Cage: The lightweight and robust phenolic resin cage contributes to excellent dimensional stability at high speeds and is suitable for the demanding temperature range of -30° to 110 °C.
25° Contact Angle & Preload: The specified contact angle and built-in preload deliver high system stiffness, precise rotational accuracy, and superior performance under combined loads.
Sealed & Lubricated Design: The integrated seals protect against contamination, and the factory-applied lubrication ensures immediate operation and long service life, fulfilling requirements for a maintenance-free solution.
S7012 ACE/HCP4A Bearing Typical Application Areas
- High-Frequency Machine Tool Spindles
- Precision Grinding and Milling Heads
- High-Speed Motors and Turbomachinery
- Advanced Robotics and Automation Arms
- Medical and Dental Equipment Spindles
