7013 CD/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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7013 CD/HCP4ADGA Bearing Product Overview & Core Advantages
The 7013 CD/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This universal matchable (SU) bearing is designed to accommodate combined loads (radial and axial) simultaneously, featuring a 15° contact angle optimized for high-speed operation. Its construction with ceramic balls and P4A super-precision tolerance ensures superior running accuracy, low heat generation, and extended service life in critical machinery.
Model Code Deep Explanation
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series, 65mm bore, 100mm OD, 36mm width |
| CD | 15° contact angle design |
| HC | Hybrid ceramic balls (ceramic balls with steel rings) |
| P4A | Super precision tolerance class (equivalent to ABEC 7) |
| DGA | Universal matchable (SU) arrangement, prelubricated |
7013 CD/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls provides superior performance characteristics including reduced friction, higher limiting speed (31,000 rpm), and electrical insulation properties. The ceramic balls also offer excellent resistance to wear and thermal deformation.
Precision Engineering: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, making it ideal for high-precision applications. The phenolic cage provides excellent strength-to-weight ratio and smooth operation at high speeds.
Universal Matchable Design: As an SU universal matchable bearing, it can be mounted in various configurations (back-to-back, face-to-face, or tandem) without selective matching, simplifying installation and maintenance while maintaining high rigidity and precise preload control.
Enhanced Load Capacity: With a dynamic load rating of 15,210 lbf and static load rating of 16,875 lbf, this bearing delivers reliable performance under significant combined radial and axial loads.
7013 CD/HCP4ADGA Bearing Typical Application Areas
- Machine tool spindles for high-speed milling and grinding operations
- Precision medical equipment and dental handpieces
- Aerospace components and navigation systems
- High-frequency motor spindles and robotics
- Semiconductor manufacturing equipment
- Test and measurement instruments requiring extreme accuracy
