S7013 FEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7013 FEGA/HCP4A Bearing Product Overview & Core Advantages
The S7013 FEGA/HCP4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. As a single bearing with a Universal Matchable (SU) designation, it can be universally paired with another identical bearing to form a pre-loaded duplex set, offering superior rigidity and runout control. Its core advantages include the ability to handle combined loads (radial and axial), enabled by its 18° contact angle. Manufactured to a P4A tolerance class and featuring a ceramic ball and phenolic cage construction, it is engineered for high-speed operation up to 31,000 rpm and long service life in demanding environments.
S7013 FEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| S7013 | Basic bearing series and size designation (65mm bore, 100mm OD, 18mm width). | Defines the core bearing dimensions. |
| FE | Stainless Steel Machined Window Cage (Note: Specification lists Phenolic cage). | Indicates a high-strength, precision cage suitable for high speeds. |
| GA | Preload Code: Extra Light (Class A). | Minimizes deflection under light loads, ideal for high-speed, high-precision applications. |
| HCP4A | Tolerance Class: P4A (Enhanced running accuracy over ABEC 7). | Ensures extremely tight dimensional and running accuracy for superior performance. |
S7013 FEGA/HCP4A Bearing Structural Features & Performance Benefits
High-Speed & Rigidity: The combination of a phenolic cage and ceramic balls significantly reduces centrifugal forces and friction, enabling the high limiting speed of 31,000 rpm. The extra light preload (GA) enhances system rigidity without introducing excessive heat generation.
Load Capacity: With a dynamic load rating of 4568 lbf and a static load rating of 3442 lbf, this bearing is capable of handling significant combined loads. The 18° contact angle is optimized for supporting substantial axial loads in addition to radial loads.
Precision & Longevity: Manufactured to P4A tolerance standards with a bore and OD tolerance of -0.004mm to 0, this bearing guarantees precise shaft positioning and smooth operation. The sealed design, combined with grease lubrication, protects against contamination and provides long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
S7013 FEGA/HCP4A Bearing Typical Application Areas
The S7013 FEGA/HCP4A is ideally suited for high-performance machinery requiring extreme precision and speed, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Robotics: In robotic arm joints and high-accuracy actuators.
- High-Frequency Motors and Spindles: Where minimal runout and high rotational accuracy are critical.
- Aerospace & Defense Systems: In gyroscopes, navigation systems, and other critical instrumentation.
