7009 CE/HCP4ATT
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7009 CE/HCP4ATT Bearing Product Overview & Core Advantages
The 7009 CE/HCP4ATT is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This matched arrangement bearing set consists of three bearings configured in a triplex tandem (3-DT) arrangement, delivering superior axial rigidity and load capacity. Featuring ceramic balls and P4A super-precision tolerance, it offers outstanding high-speed capabilities, minimal thermal expansion, and extended service life in precision machinery applications.
7009 CE/HCP4ATT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| CE | Ceramic Balls | Reduced weight, lower friction, and superior high-temperature performance |
| HC | High-Capacity Design | Optimized internal geometry for increased load ratings |
| P4A | Super Precision Tolerance | Exceptional running accuracy and dimensional stability |
| TT | Tandem Arrangement (Triplex) | Maximum axial load capacity in one direction |
7009 CE/HCP4ATT Bearing Structural Features & Performance Benefits
Advanced Material Composition: The combination of chrome steel rings with ceramic balls significantly reduces centrifugal forces, enabling higher limiting speeds (46,000 rpm) while providing excellent wear resistance and thermal stability.
Optimized Internal Geometry: With a 15° contact angle and 21 ceramic balls of 7.144 mm diameter, this bearing delivers superior axial load capacity while maintaining precise rotational characteristics.
Precision Engineering: The phenolic cage material ensures minimal friction and excellent performance at high speeds, while the P4A tolerance class guarantees exceptional running accuracy and dimensional stability.
Matched Set Performance: The triplex tandem arrangement provides exceptional axial rigidity and load distribution, making it ideal for applications requiring precise axial positioning and high stiffness.
7009 CE/HCP4ATT Bearing Typical Application Areas
- High-Speed Machine Tool Spindles: CNC machining centers, grinding spindles, and precision milling applications
- Precision Medical Equipment: Dental handpieces, surgical tools, and medical imaging devices
- Aerospace Systems: Gyroscopes, navigation systems, and aircraft instrumentation
- Semiconductor Manufacturing: Wafer handling robots, precision positioning stages, and inspection equipment
- High-Speed Automation: Robotics, pick-and-place systems, and precision assembly machinery
