S7002 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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S7002 CE/P4A Bearing Product Overview & Core Advantages
The S7002 CE/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. This metric bearing features a 15° contact angle and is supplied with a P4 (ABEC-7) tolerance class, making it ideal for applications demanding minimal runout and vibration. Its key advantages include the ability to accommodate combined loads (simultaneous radial and axial loads), high limiting speed capabilities supported by a phenolic cage, and consistent performance across a wide temperature range.
S7002 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a high-precision bearing with a 15° contact angle and optimized internal geometry for superior performance. |
| P4A | Specifies the tolerance class P4 (ABEC-7), denoting extremely tight dimensional and running accuracy tolerances. |
S7002 CE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance class with a 15° contact angle, this bearing provides superior shaft positioning accuracy and stiffness, effectively resisting operational deflection.
- Optimized Load Capacity: The angular contact design is engineered to handle significant combined radial and axial loads in one direction efficiently.
- High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction, contributing to a high limiting speed of 68,000 rpm. The cage guides the balls smoothly, reducing heat generation.
- Pre-Lubricated & Sealed: The bearing comes lubricated and sealed, protecting against contamination and providing long-term, maintenance-free operation within the specified temperature range.
- Premium Materials: Components made from chrome steel (rings and balls) ensure high durability, wear resistance, and a long service life.
S7002 CE/P4A Bearing Typical Application Areas
The S7002 CE/P4A is designed for high-performance machinery where precision and speed are critical. Common applications include:
- Machine Tool Spindles
- High-Frequency Electric Spindles
- Precision Grinding Machines
- High-Speed Pumps and Compressors
- Robotic Arms and Precision Drives
