S7011 ACDGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7011 ACDGB/P4A Bearing Product Overview & Core Advantages
The S7011 ACDGB/P4A is a precision angular contact ball bearing designed for applications requiring exceptional accuracy and reliability. This single bearing features a 25° contact angle and light preload (Class B), optimized to handle combined radial and axial loads simultaneously. Manufactured to P4A tolerance class, it delivers superior running accuracy and rotational precision. The sealed design with phenolic cage and grease lubrication ensures consistent performance in demanding operating conditions from -30°C to 110°C.
S7011 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| S7011 | Basic bearing designation with 55mm bore | Standardized sizing for easy selection |
| ACD | Angular Contact Design with 25° contact angle | Optimized for combined load capacity |
| GB | Universal Matchable bearing | Enables precise bearing arrangements |
| P4A | High precision tolerance class | Superior running accuracy and minimal vibration |
S7011 ACDGB/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: The P4A tolerance class ensures minimal dimensional variations, providing exceptional running accuracy essential for precision applications. The 55mm bore diameter with tight tolerance of -0.004mm to 0 guarantees precise shaft fits.
Optimized Load Capacity: With a 25° contact angle and light preload, this bearing effectively handles combined radial and axial loads. The dynamic load rating of 8348 lbf and static load rating of 6975 lbf ensure reliable performance under demanding conditions.
High-Speed Capability: The phenolic cage material and optimized internal geometry contribute to the limiting speed of 34,000 rpm, making it suitable for high-speed applications requiring smooth operation.
Enhanced Durability: Manufactured from chrome steel for both rings and balls, the bearing offers excellent wear resistance and fatigue life. The sealed design with grease lubrication provides maintenance-free operation throughout its service life.
S7011 ACDGB/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and CNC equipment
- Precision Instrumentation: Measuring devices and laboratory equipment
- High-Speed Motors: Industrial motors and servo drives
- Medical Equipment: Diagnostic imaging systems and surgical tools
- Aerospace Components: Guidance systems and flight control mechanisms
- Robotics: Precision joints and motion control systems
