S7009 FE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7009 FE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.46 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
32 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
4680 lbf
Radial static load rating
3825 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
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S7009 FE/HCP4ADBA Bearing Product Overview & Core Advantages
The S7009 FE/HCP4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This matched back-to-back (DB) arrangement provides superior stability and can accommodate combined radial and axial loads from both directions. Manufactured to P4A tolerance class and featuring ceramic balls and a phenolic cage, it delivers outstanding high-speed performance, reduced friction, and long-term operational reliability in demanding environments.
S7009 FE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| FE | Sealed on both sides | Provides effective protection against contaminants, ensuring long-lasting lubrication and bearing life. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Enables higher speeds, reduces friction and heat generation, and increases stiffness. |
| P4A | High Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance in precision applications. |
| DB | Duplex Back-to-Back Arrangement | Provides high rigidity and can withstand overturning moments and combined loads. |
| A | Extra Light Preload | Optimizes bearing performance by minimizing runout and ensuring smooth, precise operation at high speeds. |
S7009 FE/HCP4ADBA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Load Capacity: The duplex back-to-back (DB) configuration creates a highly rigid bearing system capable of withstanding significant combined radial and thrust loads from both directions, making it ideal for applications with complex loading conditions.
- Superior High-Speed Performance: The combination of hybrid ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces and friction, enabling a high limiting speed of 41,000 rpm. This design minimizes heat buildup and ensures stable operation.
- Enhanced Precision and Longevity: Manufactured to ABEC 7 / P4A precision class with a 18° contact angle, this bearing ensures minimal runout and vibration. The integral seals (FE) and factory-applied grease provide a maintenance-free, long-service-life solution by effectively retaining lubrication and excluding contaminants.
S7009 FE/HCP4ADBA Bearing Typical Application Areas
The S7009 FE/HCP4ADBA is engineered for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotics and Automation
- Advanced Medical and Dental Equipment
- Aerospace Actuators and Control Systems
- High-RPM Motors and Drives
