7016 FEGA/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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7016 FEGA/HCP4AH1 Bearing Product Overview & Core Advantages
The 7016 FEGA/HCP4AH1 is a single-row angular contact ball bearing engineered for ultra-high precision and demanding performance. Positioned in the P4A super-precision tolerance class, it delivers exceptional rotational accuracy and dimensional stability. A key advantage is its universal matchable (SU) design, allowing bearings to be flexibly mounted in various preload configurations (back-to-back, face-to-face, or tandem) to optimize system rigidity. The combination of a ceramic ball material and phenolic resin cage enables superior high-speed performance and reduced centrifugal forces. This bearing is pre-lubricated and designed to handle significant combined loads (radial and axial) simultaneously, making it ideal for the most rigorous applications requiring maximum reliability and long service life.
7016 FEGA/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7016 | Standard bearing series and size designation (80mm bore, 125mm OD, 22mm width). | Defines the core bearing dimensions. |
| FE | Optimized internal geometry and surface treatment. | Enhances high-speed capability and reduces friction. |
| GA | Universal Matchable bearing designation. | Allows for flexible mounting in sets to achieve desired preload and system stiffness. |
| HC | Hybrid Ceramic bearing (Ceramic balls, steel rings). | Provides higher speed, longer life, and non-conductive properties. |
| P4A | Super Precision Tolerance Class. | Guarantees extremely tight dimensional and running accuracy for precision applications. |
| H | Stabilized for high temperatures. | Ensures dimensional stability across the specified temperature range (-30°C to 110°C). |
7016 FEGA/HCP4AH1 Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of ceramic (Si3N4) balls with steel rings results in a 60% lower density than all-steel designs. This drastically reduces centrifugal forces, enabling significantly higher limiting speeds (28,000 rpm) and lower operating temperatures. Ceramic's inherent hardness also provides superior wear resistance and a longer operational lifespan.
Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction at high speeds. It is well-suited for the demanding conditions created by the hybrid ceramic components, contributing to the bearing's overall high-speed performance and smooth operation.
Precision Engineering & Universal Matching: Manufactured to P4A tolerance class with an 18° contact angle and Extra Light (Class A) preload, this bearing provides exceptional running accuracy and minimal vibration. Its Universal Matchable (SU) feature allows multiple bearings to be paired in a set (typically 4) to create a system with optimized stiffness and the ability to handle complex combined loads.
High Load Capacity: With a dynamic load rating of 7605 lbf and a static load rating of 6188 lbf, this angular contact bearing is capable of sustaining substantial radial and axial loads in high-performance environments.
7016 FEGA/HCP4AH1 Bearing Typical Application Areas
The 7016 FEGA/HCP4AH1 is designed for the most advanced machinery requiring supreme precision and speed. Its primary applications include:
- High-Frequency Machine Tool Spindles: For CNC milling, grinding, and turning centers where high rigidity and speed are critical.
- Precision Robotics: In high-accuracy robotic arms and joints demanding minimal runout and high responsiveness.
- Advanced Aerospace Systems: Including gyroscopes, navigation systems, and auxiliary power units.
- High-Speed Electric Motors & Spindles: Particularly in applications utilizing magneto drives or requiring low electrical erosion.
- Medical and Laboratory Equipment: Such as high-speed centrifuges and advanced imaging devices.
