S7005 ACEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7005 ACEGA/HCP4A Bearing Product Overview & Core Advantages
The S7005 ACEGA/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional speed and rigidity. Engineered with ceramic balls and a phenolic cage, this bearing delivers superior performance in high-speed environments while maintaining dimensional stability under extreme conditions. Its P4A tolerance class ensures ultra-precise operation, making it ideal for applications where minimal runout and high rotational accuracy are critical. The bearing's 25° contact angle provides optimal capacity for combined radial and axial loads, while its sealed design with pre-applied grease offers long-term, maintenance-free operation.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7005 | Basic bearing designation with 25mm bore diameter |
| AC | Angular Contact design with 25° contact angle |
| EGA | Precision ground to P4A tolerance class with universal matching capability |
| HC | Hybrid Ceramic construction with ceramic balls and steel rings |
| P4A | Ultra-precision tolerance grade for high-speed applications |
S7005 ACEGA/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of ceramic balls and chrome steel rings reduces weight, minimizes centrifugal forces, and enables higher limiting speeds (83,000 rpm). Ceramic balls also provide superior corrosion resistance and electrical insulation properties.
Phenolic Cage Construction: The phenolic resin cage offers excellent dimensional stability at high temperatures and reduced friction characteristics, contributing to the bearing's exceptional high-speed performance and smooth operation.
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring minimal vibration and precise rotational accuracy for critical applications.
Universal Matching Capability: Designed as Universal Matchable (SU), these bearings can be paired in sets of 2 to create pre-loaded arrangements, providing optimized stiffness and load distribution for complex bearing configurations.
Sealed & Lubricated: Factory-sealed with premium grease, the bearing operates effectively within a temperature range of -30°C to 110°C, offering maintenance-free operation and extended service life.
S7005 ACEGA/HCP4A Bearing Typical Application Areas
- High-speed machine tool spindles and precision machining centers
- Medical equipment including dental handpieces and surgical tools
- Aerospace components requiring high-speed and high-precision rotation
- Semiconductor manufacturing equipment and clean room applications
- Robotics and automation systems demanding high rigidity and accuracy
- High-frequency motors and precision instrumentation
