7014 FEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7014 FEGA/HCP4A Bearing Product Overview & Core Advantages
The 7014 FEGA/HCP4A is a single-row angular contact ball bearing engineered for ultra-high precision and high-speed performance. Positioned in the P4A super precision class, it delivers exceptional rotational accuracy and dimensional stability. Its core advantage lies in its ability to support combined loads (radial and axial) efficiently, making it ideal for applications demanding extreme rigidity and minimal runout. The combination of a ceramic ball material and phenolic cage contributes to lower friction, higher limiting speeds, and extended service life.
7014 FEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7014 | Basic bearing series and size designation | Defines the core dimensions: 70mm bore, 110mm OD, 20mm width. |
| FE | Filled notch design | Optimized for high-speed operation and improved lubrication flow. |
| GA | Universal Matchable bearing set | Indicates the bearing is supplied as one of a universally matchable pair (SU) for simplified preload arrangement. |
| HC | Hybrid Ceramic | Signifies the use of ceramic balls, offering benefits like reduced weight, lower thermal expansion, and electrical insulation. |
| P4A | Tolerance Class | Denotes super precision tolerances for bore, OD, and width, ensuring superior running accuracy. |
7014 FEGA/HCP4A Bearing Structural Features & Performance Benefits
High-Speed & High-Rigidity Design: The 18° contact angle provides an optimal balance between radial and axial load capacity. The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at the limiting speed of 28,000 rpm.
Superior Load Capacity: With a dynamic load rating of 5265 lbf and a static load rating of 4118 lbf, this bearing reliably handles significant combined loads.
Hybrid Ceramic Advantage: The use of ceramic balls significantly reduces friction and heat generation, enabling higher speeds and longer lubricant life. They are also non-conductive and highly corrosion-resistant.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls, this bearing guarantees minimal vibration and precise shaft positioning, which is critical in high-precision machinery.
7014 FEGA/HCP4A Bearing Typical Application Areas
The 7014 FEGA/HCP4A is ideally suited for demanding applications where high speed, high precision, and high rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and spindle drives requiring accurate motion control.
- High-Frequency Motors and Spindles: Applications like PCB drilling and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instruments.
