S7007 ACDGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7007 ACDGB/P4A Bearing Product Overview & Core Advantages
The S7007 ACDGB/P4A is a precision angular contact ball bearing designed for high-performance applications. Engineered to the exacting P4A tolerance class, this bearing excels in scenarios demanding exceptional rotational accuracy and operational stability. Its key advantage lies in its ability to accommodate combined loads—simultaneously handling significant radial loads and axial loads in one direction. The combination of a phenolic cage, factory-applied grease lubrication, and sealed design makes it an ideal, ready-to-install solution for high-speed and high-rigidity spindle arrangements.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7007 | Basic bearing series and size designation (35mm bore, 62mm OD, 14mm width). |
| ACD | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| GB | Indicates a Light preload (Class B), which reduces runout and increases system rigidity. |
| P4A | Denotes a super-precision tolerance class with very tight running accuracy limits. |
S7007 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and robust construction enable the bearing to support substantial combined loads, making it suitable for applications with significant radial and axial force components.
- Superior High-Speed Performance: The lightweight phenolic cage minimizes centrifugal forces, contributing to a high limiting speed of 41,000 rpm. This is critical for high-speed spindle applications.
- Precision Engineering: Manufactured to P4A tolerances, this bearing ensures minimal vibration and high running accuracy, which is essential for achieving superior surface finishes in machining operations.
- Universal Matching & Simplified Assembly: Designated as Universal Matchable (SU), these bearings can be universally paired in any combination to form a preloaded bearing set, simplifying procurement and assembly for precision arrangements.
S7007 ACDGB/P4A Bearing Typical Application Areas
The S7007 ACDGB/P4A is ideally suited for high-precision, high-speed machinery, including:
- Machine Tool Spindles: CNC machining centers, grinding spindles, and milling spindles.
- Precision Rotary Systems: High-frequency motors, robotics, and precision indexing heads.
- Aerospace & Defense Systems: Gyroscopes, radar equipment, and other critical rotational mechanisms.
