S7012 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7012 CE/P4A Bearing Product Overview & Core Advantages
The S7012 CE/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Engineered with P4 (ABEC-7) tolerance class, this bearing delivers superior running accuracy for demanding machinery. Its 15° contact angle is optimized to handle significant axial loads in one direction while supporting radial loads, making it an ideal solution for applications requiring high-speed operation and precise axial positioning. The preloaded design ensures minimal axial play, providing immediate responsiveness and enhanced system stiffness.
S7012 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7012 | Basic bearing designation with 60mm bore diameter |
| CE | Contact angle designation (15°) |
| P4A | High precision tolerance class equivalent to ABEC-7 |
S7012 CE/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance class with bore diameter tolerance of -0.007mm to 0 and outside diameter tolerance of -0.008mm to 0, ensuring exceptional dimensional stability and running accuracy.
Optimized Load Capacity: The 15° contact angle enables efficient handling of combined radial and axial loads, with a dynamic load rating of 3870 lbf and static load rating of 2902 lbf.
High-Speed Performance: Features a phenolic resin cage that reduces centrifugal forces and friction, supporting limiting speeds up to 20,000 rpm while maintaining dimensional stability at high temperatures.
Premium Material Selection: Constructed with chrome steel rings and balls for superior hardness and fatigue resistance, ensuring long service life even under demanding operating conditions.
Sealed & Lubricated Design: Factory-sealed and pre-lubricated for immediate installation and reliable performance across the operating temperature range of -30° to 110°C.
S7012 CE/P4A Bearing Typical Application Areas
The S7012 CE/P4A precision angular contact ball bearing is specifically designed for high-performance applications including:
- Machine tool spindles requiring high rotational accuracy and rigidity
- High-speed machining centers and precision grinding equipment
- Robotic arm joints and precision positioning systems
- Medical equipment such as dental handpieces and surgical tools
- Aerospace components including gyroscopes and navigation systems
- High-frequency motor spindles and precision power transmission systems
