S7007 ACEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7007 ACEGA/P4A Bearing Product Overview & Core Advantages
The S7007 ACEGA/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered as a single bearing with Extra light (Class A) preload, it delivers superior rotational accuracy and minimal runout. Its 25° contact angle is optimized to handle significant combined loads—simultaneously supporting substantial radial and axial forces. Manufactured to the stringent P4A tolerance class, this bearing ensures ultra-precise dimensions and smooth operation, making it ideal for high-speed spindles and other precision machinery where rigidity and minimal deflection are critical.
S7007 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| AC | Angular Contact design | Enables handling of combined radial and axial loads. |
| EGA | Contact Angle of 25° | Optimized for high axial load capacity and rigidity. |
| P4A | High-Precision Tolerance Class | Guarantees ultra-precise running accuracy and dimensional stability. |
S7007 ACEGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The phenolic resin cage and P4A tolerance class contribute to exceptional dimensional stability and low vibration, enabling smooth operation at high speeds and under load.
- Superior Load Capacity: The 25° contact angle and robust construction of chrome steel rings and balls provide excellent capability for handling combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the grease lubrication and sealed design support a high limiting speed of 41,000 rpm.
- Universal Matching Capability (SU): This bearing is universally matchable, allowing for simplified arrangement in pairs (back-to-back, face-to-face, or tandem) to create a preloaded bearing set without the need for selective mounting, saving time and ensuring optimal performance.
S7007 ACEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Grinding Equipment
- High-Frequency Motors
- Industrial Pumps and Compressors
- Medical and Dental Equipment Spindles
- Aerospace Instrumentation
