S7011 ACEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S7011 ACEGA/P4A Bearing Product Overview & Core Advantages
The S7011 ACEGA/P4A is a super-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 25° contact angle and extra light preload (Class A) make it ideally suited for handling combined loads, providing high rigidity and precise axial positioning. The phenolic cage and sealed design ensure reliable operation in demanding environments, making it a top choice for high-performance spindles and precision machinery.
S7011 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7011 | Basic bearing designation with 55mm bore diameter |
| AC | 25° contact angle design |
| EGA | Universal Matchable (SU) bearing in set of 4 |
| P4A | Super precision tolerance class with enhanced running accuracy |
S7011 ACEGA/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: The P4A tolerance class ensures minimal runout and vibration, while the 25° contact angle provides optimal stiffness for combined radial and axial loads. The phenolic cage contributes to smooth operation at high speeds.
Superior Load Capacity: With a dynamic load rating of 3578 lbf and static load rating of 2610 lbf, this bearing handles significant combined loads while maintaining precision.
High-Speed Performance: The optimized design with phenolic cage and precision grinding enables operation at limiting speeds up to 34,000 rpm, making it ideal for high-speed spindle applications.
Universal Matching Capability: Designed as Universal Matchable (SU) bearings in sets of 4, allowing for precise preload adjustment and optimal performance in matched arrangements.
S7011 ACEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-speed milling and grinding spindles
- Precision Robotics - High-accuracy robotic joints and actuators
- Aerospace Systems - Guidance systems and precision mechanisms
- Medical Equipment - Dental handpieces and surgical tools
- High-Frequency Spindles - PCB drilling and precision machining centers
