7013 FE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7013 FE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 7013 FE/HCPA9ADGA is a precision angular contact ball bearing engineered for applications demanding exceptional accuracy and reliability. This universal matchable (SU) bearing is designed to accommodate combined loads—simultaneously handling radial and axial forces. Its extra light preload (Class A) ensures minimal deflection under load, making it ideal for high-precision systems. Featuring a phenolic cage and ceramic balls, it delivers superior high-speed performance and extended service life. The bearing comes pre-lubricated and operates effectively within a temperature range of -30°C to 110°C.
7013 FE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| FE | Pre-lubricated bearing | Factory-filled lubrication for immediate operation and reduced maintenance |
| HC | Hybrid Ceramic | Ceramic balls provide superior high-speed capability and reduced weight |
| PA9A | High Precision Tolerance Class | Ensures exceptional dimensional accuracy and running precision |
| DGA | Universal Matchable (SU) | Can be mounted in various configurations (face-to-face, back-to-back, tandem) |
7013 FE/HCPA9ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, enabling higher limiting speeds (32,500 rpm) while maintaining dimensional stability.
Precision Engineering: Manufactured to PA9A tolerance class with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0), ensuring consistent performance in precision applications.
Optimized Cage Design: The phenolic cage provides excellent strength-to-weight ratio and superior lubrication retention, contributing to smooth operation at high speeds.
Universal Matching Capability: As a universal matchable (SU) bearing, it can be paired in various arrangements to optimize stiffness and load distribution in complex bearing systems.
Enhanced Load Capacity: With a 18° contact angle and 25 ceramic balls, this bearing delivers excellent combined load capacity (radial dynamic: 7,312 lbf, static: 6,862 lbf).
7013 FE/HCPA9ADGA Bearing Typical Application Areas
- High-Speed Machine Tool Spindles - Precision machining centers requiring high rotational accuracy
- Medical Equipment - CT scanners, dental handpieces, and laboratory instruments
- Aerospace Systems - Guidance systems, flight control actuators, and auxiliary power units
- Semiconductor Manufacturing - Wafer handling robots and precision positioning stages
- High-Frequency Motors - Spindle motors and high-RPM industrial drives
- Precision Instrumentation - Measuring devices and optical equipment requiring minimal vibration
