S7005 ACE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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S7005 ACE/HCP4ADGA Bearing Product Overview & Core Advantages
The S7005 ACE/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This universal matchable (SU) bearing features a 25° contact angle and P4A tolerance class, delivering superior performance in high-speed and high-rigidity applications. Its sealed design with ceramic balls and phenolic cage enables it to handle combined radial and axial loads simultaneously while maintaining operational stability under extreme conditions.
S7005 ACE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACE | 25° contact angle, universal matchable | Optimized for combined loads and flexible mounting arrangements |
| HC | Hybrid ceramic balls | Reduced friction, higher speed capability, and longer service life |
| P4A | Ultra-precision tolerance class | Exceptional running accuracy and minimal vibration |
| DGA | Sealed with grease lubrication | Contamination protection and maintenance-free operation |
S7005 ACE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction and heat generation, enabling higher limiting speeds (83,000 rpm) while providing excellent electrical insulation properties.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore diameter tolerance: -0.004mm to 0), this bearing ensures minimal runout and vibration for superior positioning accuracy.
Optimized Cage Design: The phenolic cage provides excellent strength-to-weight ratio and smooth operation at high speeds, contributing to the bearing's exceptional dynamic performance.
Sealed & Lubricated: Factory-sealed with high-performance grease, the bearing offers protection against contamination and is ready for immediate installation without additional lubrication requirements.
S7005 ACE/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and precision grinding applications
- Medical Equipment: Dental handpieces, surgical tools, and diagnostic imaging systems
- Aerospace Systems: Gyroscopes, navigation instruments, and flight control mechanisms
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
- High-Speed Motors: Industrial spindles, turbochargers, and specialized drive systems
