7012 FE/HCP4AH1DGA
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
7012 FE/HCP4AH1DGA Bearing Product Overview & Core Advantages
The 7012 FE/HCP4AH1DGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This universal matchable bearing features a ceramic ball and phenolic cage construction, enabling superior high-speed performance with a limiting speed of 35,000 rpm. Its P4A tolerance class ensures ultra-precision operation, making it ideal for machine tool spindles and other high-accuracy machinery where combination loads must be managed reliably.
7012 FE/HCP4AH1DGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| FE | Precision design with optimized internal geometry |
| HC | Hybrid Ceramic construction (Steel rings with Ceramic balls) |
| P4A | Ultra-precision tolerance class exceeding ABEC 7 standards |
| H1 | Preload level: Extra light (Class A) |
| DGA | Universal Matchable (SU) designation for paired mounting |
7012 FE/HCP4AH1DGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, enabling higher operating speeds while maintaining dimensional stability under thermal variations.
Phenolic Cage: The lightweight phenolic resin cage provides excellent dimensional stability at high speeds, contributing to the bearing's 35,000 rpm limiting speed capability with minimal friction.
Precision Engineering: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and minimal vibration for precision applications.
Universal Matching Capability: Designed as Universal Matchable (SU) bearings, they can be mounted in pairs without selective matching, simplifying installation while providing optimal preload and stiffness characteristics.
7012 FE/HCP4AH1DGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers and grinding spindles requiring precision and thermal stability
- Precision Instrumentation: Measuring equipment and laboratory instruments demanding minimal vibration
- High-Speed Motors: Spindle motors and high-frequency applications where ceramic hybrid technology excels
- Aerospace Components: Guidance systems and auxiliary power units requiring reliable high-speed operation
- Semiconductor Manufacturing: Wafer processing equipment where contamination-free operation is critical
