7013 CE/HCP4ADGB
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7013 CE/HCP4ADGB Bearing Product Overview & Core Advantages
The 7013 CE/HCP4ADGB is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universally matchable (SU) bearing features a 15° contact angle and light preload (Class B), making it ideal for arrangements requiring high rigidity and precise rotational characteristics. Its ceramic ball construction and P4A tolerance class ensure superior high-speed capability and minimal thermal expansion, while the phenolic cage contributes to smooth operation at limiting speeds up to 31,000 rpm.
7013 CE/HCP4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CE | Contact Angle (15°) & High Precision | Optimized for combined radial and axial loads |
| HC | Hybrid Ceramic Balls | Reduced weight, higher speed capability, and longer service life |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
| DGB | Universal Matchable (SU) Arrangement | Can be paired in any combination for preloaded sets |
7013 CE/HCP4ADGB Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls provides significant advantages including 60% lower density, higher stiffness, and superior performance at high rotational speeds. This construction minimizes centrifugal forces and reduces operating temperature.
Precision Ground Components: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, ensuring exceptional running accuracy and dimensional stability for precision applications.
Optimized Cage Design: The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at high speeds, contributing to the bearing's 31,000 rpm limiting speed capability.
Universal Matching Capability: As an SU type universally matchable bearing, the 7013 CE/HCP4ADGB can be mounted in any combination (back-to-back, face-to-face, or tandem) without requiring selective matching, simplifying installation and maintenance.
7013 CE/HCP4ADGB Bearing Typical Application Areas
- High-Speed Machine Tool Spindles - CNC machining centers, grinding spindles
- Precision Medical Equipment - Dental handpieces, surgical tools
- Aerospace Systems - Guidance systems, auxiliary power units
- High-Frequency Motors - Servo motors, spindle motors
- Semiconductor Manufacturing Equipment - Wafer handling robots, precision stages
