7015 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7015 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7015 CE/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, with its 15° contact angle providing optimal load distribution. Manufactured to P4A tolerance class, it delivers superior running accuracy. Its construction featuring a phenolic cage and ceramic balls enables outstanding high-speed performance and rigidity, making it ideal for precision spindles and other high-reliability machinery.
7015 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a 15° contact angle, optimized for high-speed operation and combined load capacity. |
| HC | Refers to the Hybrid Ceramic construction, utilizing ceramic balls for reduced friction, lower heat generation, and extended service life. |
| P4A | Denotes the tolerance class, signifying very high precision in dimensions and running accuracy. |
| DGA | Specifies a phenolic (polyamide) cage and a universal matchable (SU) design, allowing for flexible bearing arrangements. |
7015 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls with a steel ring significantly reduces centrifugal forces, lowers operating temperature, and enables higher limiting speeds compared to all-steel bearings. This results in superior high-speed performance.
- Precision & Rigidity: Manufactured to P4A tolerance class with tight dimensional tolerances, this bearing ensures minimal runout and high system rigidity for precise rotational motion.
- Universal Matchability (SU): As a universal matchable bearing, two bearings can be paired in any combination (face-to-face, back-to-back, or tandem) to achieve the required stiffness and load capacity for the application, offering great design flexibility.
- Phenolic Cage: The phenolic cage offers excellent strength-to-weight ratio, low friction, and is suitable for high-speed applications, contributing to the bearing's overall high-speed capability and smooth operation.
7015 CE/HCP4ADGA Bearing Typical Application Areas
The 7015 CE/HCP4ADGA is ideally suited for high-performance machinery where precision, high speed, and rigidity are critical. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, semiconductor manufacturing equipment.
- High-Frequency Motors: Spindles for routers and other high-RPM applications.
- Aerospace & Defense Systems: Gyroscopes, navigation instruments, and other critical rotating assemblies.
