S71913 ACE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S71913 ACE/P4A Bearing Product Overview & Core Advantages
The S71913 ACE/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This single-row bearing is engineered to accommodate high combined loads (radial and axial) simultaneously, making it an ideal solution for high-speed spindles and precision machinery. Its P4 (ABEC-7) tolerance class ensures superior running accuracy, while the 25° contact angle provides excellent axial load capacity. The bearing comes prelubricated and is capable of operating within a wide temperature range, offering a compact and high-performance solution for critical applications.
S71913 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7 | Series designation for high-precision angular contact ball bearings |
| 1913 | Bore diameter: 65 mm, Outside diameter: 90 mm, Width: 13 mm |
| ACE | Contact angle of 25° and optimized internal design |
| P4A | P4 (ABEC-7) tolerance class with specific accuracy requirements |
S71913 ACE/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: Manufactured to P4 tolerance class, this bearing delivers exceptional running accuracy and dimensional stability. The optimized internal geometry and 25° contact angle provide high rigidity, minimizing deflection under load.
Superior Load Capacity: Engineered to handle significant combined radial and axial loads, making it suitable for applications with complex loading conditions. The bearing's dynamic load rating of 3510 lbf ensures reliable performance under demanding operational conditions.
High-Speed Capability: Featuring a phenolic resin cage that reduces centrifugal forces and friction, enabling limiting speeds up to 18,000 rpm. This makes it ideal for high-speed spindle applications.
Premium Material Construction: Manufactured from chrome steel for both rings and balls, ensuring high durability, wear resistance, and long service life in precision applications.
S71913 ACE/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision lathes
- Precision Instrumentation: Measuring equipment, optical instruments, and laboratory apparatus
- High-Speed Motors: Servo motors, spindle motors, and other high-RPM electric motors
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Components: Guidance systems, actuators, and other precision aerospace mechanisms
