S7015 ACE/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7015 ACE/P4A Bearing Product Overview & Core Advantages
The S7015 ACE/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and superior performance. Engineered with a 25° contact angle and P4 (ABEC-7) tolerance class, this bearing excels at handling combined radial and axial loads simultaneously. Its sealed design and factory-applied lubrication ensure reliable operation, making it ideal for high-speed applications with demanding rigidity requirements. The compact design with a 20 mm width provides excellent space efficiency while maintaining exceptional performance characteristics.
S7015 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| S7015 | Basic bearing designation with 75mm bore diameter | Standard size compatibility |
| ACE | 25° contact angle design | Optimized for combined load capacity |
| P4A | P4 precision class (ABEC-7 equivalent) | High running accuracy and low vibration |
S7015 ACE/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance class with precise dimensional control (bore tolerance: -0.007mm to 0) ensures exceptional running accuracy and minimal vibration in high-speed applications.
Optimized Load Capacity: The 25° contact angle configuration provides superior performance for combined loads, with a radial dynamic load rating of 5558 lbf and radial static load rating of 4590 lbf.
High-Speed Performance: Featuring a phenolic cage and optimized internal geometry, the bearing achieves a limiting speed of 14,500 rpm, making it suitable for demanding high-speed applications.
Sealed & Lubricated Design: The sealed construction with factory-applied lubrication provides contamination protection and ensures consistent performance across the operating temperature range of -30° to 110°C.
Premium Materials: Constructed from chrome steel for both rings and balls, with 26 balls of 9.525 mm diameter providing optimal load distribution and durability.
S7015 ACE/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring exceptional accuracy and rigidity
- High-Speed Motors - Electric motors and spindle drives operating at elevated speeds
- Precision Instrumentation - Medical equipment, measuring devices, and laboratory instruments
- Aerospace Components - Actuators, control systems, and auxiliary power units
- Robotics & Automation - Industrial robots, CNC equipment, and precision positioning systems
