S7009 FEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7009 FEGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.23 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
75 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
7.144 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
2858 lbf
Radial static load rating
1912 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Grease
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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7009 FEGA/HCP4A Bearing Product Overview & Core Advantages
The S7009 FEGA/HCP4A is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. As a universally matchable (SU) bearing supplied in a pre-set pair, it delivers outstanding performance under combined radial and axial loads. Its construction, featuring a phenolic cage and ceramic balls, is optimized for high-speed operation and superior rigidity, making it an ideal solution for high-performance spindles and precision machinery.
S7009 FEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| FE | Filled with a special high-performance grease | Ensures optimal lubrication for the specified temperature range and enhances high-speed performance. |
| GA | Special preload: Extra Light (Class A) | Provides minimal starting torque and high running accuracy, ideal for ultra-precise applications. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Reduces centrifugal forces, lowers operating temperature, and allows for higher limiting speeds. |
| P4A | High Precision Tolerance Class (Superior to ABEC 7) | Guarantees exceptional dimensional and running accuracy for smooth, vibration-free operation. |
S7009 FEGA/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design and 18° contact angle provide superior stiffness and the ability to withstand significant combined loads from multiple directions simultaneously.
- Exceptional High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls significantly reduces rotational mass, enabling a high limiting speed of 41,000 rpm and minimizing heat generation.
- Precision & Longevity: Manufactured to P4A tolerance class with a universal matching designation, these bearings ensure precise alignment and consistent performance in matched sets. The sealed design and pre-filled grease contribute to a long, maintenance-free service life.
- Thermal Stability: The hybrid ceramic construction offers lower thermal expansion compared to all-steel bearings, maintaining preload and accuracy over a wide operating temperature range.
S7009 FEGA/HCP4A Bearing Typical Application Areas
This precision bearing is specifically designed for high-end applications where speed, accuracy, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices, optical scanners, and coordinate measuring machines (CMM).
- High-Frequency Motors & Spindles: PCB drilling spindles and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
