7013 CE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7013 CE/HCP4AQBCA Bearing Product Overview & Core Advantages
The 7013 CE/HCP4AQBCA is a high-precision quadruplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched set arrangement features four bearings in a back-to-back configuration, providing superior stability and the capacity to handle combined loads (radial and axial) simultaneously. Manufactured to P4A tolerance class with a 15° contact angle and ceramic balls, it delivers outstanding high-speed performance, reduced heat generation, and extended service life in precision machinery.
7013 CE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Standard bearing series with 65mm bore, 100mm OD, 72mm width |
| CE | Ceramic balls for enhanced speed capability and reduced friction |
| HC | Phenolic resin cage for high-speed operation |
| P4A | High precision tolerance class with enhanced running accuracy |
| QBC | Quadruplex Back-to-Back arrangement for maximum rigidity |
7013 CE/HCP4AQBCA Bearing Structural Features & Performance Benefits
Exceptional Rigidity: The quadruplex back-to-back configuration creates an extremely rigid bearing system that minimizes deflection under heavy combined loads, making it ideal for applications requiring high positional accuracy.
Superior High-Speed Performance: The combination of ceramic balls and phenolic resin cage enables operation at limiting speeds up to 31,000 rpm while maintaining thermal stability and reducing centrifugal forces.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0), ensuring consistent performance and precise running accuracy in critical applications.
Enhanced Load Capacity: With a radial dynamic load rating of 12,150 lbf and static load rating of 13,950 lbf, this bearing set provides reliable performance under demanding operating conditions.
7013 CE/HCP4AQBCA Bearing Typical Application Areas
This high-precision bearing arrangement is specifically designed for applications requiring maximum rigidity and accuracy:
- Machine Tool Spindles - High-speed milling and grinding spindles
- Precision Robotics - Robotic arm joints and positioning systems
- Aerospace Systems - Gyroscopes and navigation equipment
- Medical Equipment - High-speed dental handpieces and surgical tools
- Semiconductor Manufacturing - Wafer handling and precision positioning systems
