7010 FEGA/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 FEGA/HCP4AH1
Basic Information
System of measurement
Metric
Weight
0.23 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3442 lbf
Radial static load rating
2340 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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7010 FEGA/HCP4AH1 Bearing Product Overview & Core Advantages
The 7010 FEGA/HCP4AH1 is a single row angular contact ball bearing engineered for ultra-high precision applications. Positioned in the P4A super precision tolerance class, it delivers exceptional rotational accuracy and running smoothness. Its core advantages stem from a universal matchable (SU) design, allowing bearings to be paired in any combination to achieve specific preload and rigidity requirements. The use of a phenolic resin cage and ceramic balls enables superior high-speed performance and reduced operational friction, making it ideal for demanding machine tool spindles and other high-performance machinery.
7010 FEGA/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Benefit |
|---|---|---|
| FE | Filled with a special high-performance lubricant. | Ensures optimal lubrication from initial operation, reducing wear. |
| GA | Universal Matchable bearing (SU designation). | Provides flexibility in mounting arrangements to achieve desired preload and stiffness. |
| HC | Hybrid Ceramic (Silicon Nitride balls). | Enables higher speeds, reduces friction and heat generation, and increases bearing life. |
| P4A | Super Precision Tolerance Class (ABEC 7 / ISO P4). | Guarantees extreme dimensional and running accuracy for applications requiring minimal vibration and error. |
7010 FEGA/HCP4AH1 Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, allowing for a limiting speed of 41,000 rpm. This hybrid design also provides superior electrical resistance and extended service life.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction at high speeds, contributing to smooth operation and reduced heat buildup.
- Universal Matching (SU): This design feature allows for simplified mounting and precise control over preload (Extra light / Class A) when bearings are used in pairs, resulting in optimized system rigidity and accuracy.
- Precision Ground Geometry: Manufactured to P4A tolerance class with a 18° contact angle, this bearing is engineered to handle combined radial and axial loads with exceptional precision and reliability.
7010 FEGA/HCP4AH1 Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices and laboratory equipment.
- High-Frequency Motors: Spindles for PCB drilling and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical components.
