7012 FEGA/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7012 FEGA/HCP4AH1 Bearing Product Overview & Core Advantages
The 7012 FEGA/HCP4AH1 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing is part of a universally matchable (SU) set, allowing for precise preload configuration when paired. Its core advantages include the ability to handle high combined loads due to its 18° contact angle, superior running accuracy from its P4A tolerance class, and excellent high-speed capabilities enabled by its ceramic balls and phenolic cage. This design is ideal for high-reliability, high-rigidity applications where precision is paramount.
7012 FEGA/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
- 7012: Basic designation indicating a metric angular contact ball bearing with a 60 mm bore and 95 mm outside diameter.
- FE: Signifies a specific internal design optimized for high precision and performance.
- GA: Indicates the bearing is supplied with a specific preload level (Extra light / Class A).
- HC: Denotes the use of Hybrid Ceramic components (Ceramic balls with steel rings).
- P4A: Specifies a very high tolerance class, exceeding ABEC 7/ISO P4 standards for exceptional dimensional and running accuracy.
7012 FEGA/HCP4AH1 Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The bearing is manufactured to a P4A tolerance class, ensuring minimal runout and vibration for ultra-precise shaft guidance. The specified preload (Class A) enhances system rigidity.
Superior Speed and Temperature Performance: The combination of ceramic balls and a phenolic cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 35,000 rpm. This hybrid construction also provides stable operation across a wide temperature range (-30°C to 110°C).
High Load Capacity: With an 18° contact angle, this bearing is designed to support substantial combined radial and axial loads simultaneously.
Universal Matchability (SU): As a universally matchable bearing, two identical 7012 FEGA/HCP4AH1 bearings can be paired in a duplex set to achieve a specific preload, simplifying assembly and ensuring optimal performance.
7012 FEGA/HCP4AH1 Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Machining Centers
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Advanced Aerospace Systems
