7013 ACE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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7013 ACE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 7013 ACE/HCPA9ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. As a universal matchable (SU) bearing supplied in a matched set of 2, it enables simplified installation and optimal preload control. Its ceramic balls and phenolic cage contribute to superior high-speed capability and reduced weight. This bearing excels at handling combined loads with its 25° contact angle, making it ideal for high-rigidity applications requiring precise axial and radial positioning.
7013 ACE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACE | 25° Contact Angle, Enhanced Design | Optimized for combined radial and axial loads |
| HCPA9A | High Precision, Class PA9A Tolerance | Exceptional running accuracy and dimensional stability |
| DGA | Universal Matchable (SU) Pair | Simplified mounting and preload optimization |
7013 ACE/HCPA9ADGA Bearing Structural Features & Performance Benefits
High-Speed Performance: The combination of ceramic balls and phenolic resin cage enables operation at 31,000 rpm limiting speed with reduced centrifugal forces and excellent thermal stability.
Precision Engineering: Manufactured to PA9A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and dimensional consistency.
Load Capacity: With a 25° contact angle and 25 ceramic balls, this bearing delivers superior combined load capacity (7,020 lbf dynamic / 6,525 lbf static) while maintaining high rigidity.
Universal Matching: The SU universal match designation allows any two bearings to be paired without selective matching, reducing inventory complexity and installation time.
7013 ACE/HCPA9ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy and speed
- High-Speed Motors: Electric motors and generators operating at elevated speeds with demanding thermal requirements
- Aerospace Systems: Aircraft auxiliary systems and instrumentation requiring reliable high-speed performance
- Medical Equipment: Dental handpieces and surgical tools where precision and reliability are critical
- Robotics & Automation: Precision robotic joints and automation equipment requiring high rigidity and accuracy
