S7007 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7007 ACB/P4A Bearing Product Overview & Core Advantages
The S7007 ACB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single-row bearing with P4 (ABEC-7) tolerance class, it delivers superior rotational precision. Its key advantage lies in its ability to accommodate combined radial and axial loads simultaneously, making it an ideal choice for high-speed spindles and precision machinery. The bearing comes preloaded and pre-lubricated from the factory, ensuring immediate high-performance operation and simplified installation.
S7007 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| ACB | Angular Contact Bearing, 25° contact angle | Optimized for handling high axial loads in one direction |
| P4A | P4 (ABEC-7) Tolerance Class | Guarantees ultra-precise running accuracy and minimal vibration |
S7007 ACB/P4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The phenolic resin cage and optimized internal geometry enable stable operation at limiting speeds up to 28,000 rpm, making it a true high-speed bearing.
- Superior Rigidity & Load Capacity: The 25° contact angle and precision-ground chrome steel components provide high rigidity, supporting a dynamic load rating of 1462 lbf and a static load rating of 1024 lbf.
- Precision Performance: Manufactured to P4 tolerance class with tight dimensional controls (bore: 35mm, OD: 62mm), ensuring minimal runout and vibration for demanding applications.
- Ready-to-Use Lubrication: Factory-applied lubrication allows for immediate operation within a temperature range of -30°C to 110°C.
S7007 ACB/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is engineered for high-performance applications including:
- Machine Tool Spindles: High-speed machining centers and grinding spindles.
- Precision Instrumentation: Measuring devices and optical equipment requiring minimal rotational error.
- High-Speed Motors: Servo motors and spindle drives.
- Medical Equipment: Dental handpieces and laboratory centrifuges.
