7015 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7015 CE/HCP4A Bearing Product Overview & Core Advantages
The 7015 CE/HCP4A is a high-precision **single-row angular contact ball bearing** engineered for applications demanding exceptional rotational accuracy and high-speed performance. Featuring a **15° contact angle** and **P4 (ABEC-7) tolerance class**, this bearing is optimized to handle significant **combined loads** (radial and axial) simultaneously. Its construction with **ceramic balls** and a **phenolic cage** enables superior performance at the **limiting speed** of 29,000 rpm, offering high rigidity and extended service life in demanding operational environments.
7015 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7015 | Standard bearing series designation (75mm bore, 115mm OD, 20mm width) |
| CE | **Ceramic balls** (typically silicon nitride) for reduced weight, higher speed capability, and improved durability |
| HC | **Phenolic cage** (fabric reinforced) offering excellent strength-to-weight ratio and compatibility with high-speed operation |
| P4A | **P4 tolerance class** (ABEC-7 equivalent) with specific internal geometry optimization for high-precision applications |
7015 CE/HCP4A Bearing Structural Features & Performance Benefits
High-Speed Capability: The combination of **ceramic balls** and a lightweight **phenolic cage** significantly reduces centrifugal forces, enabling stable operation at the high **limiting speed** of 29,000 rpm. This makes it an ideal **high-speed bearing** for precision spindles.
Precision & Rigidity: Manufactured to **P4 tolerance class** standards with a **15° contact angle**, this bearing provides precise running accuracy and high rigidity, essential for applications requiring minimal deflection under **combined loads**.
Advanced Material Combination: The **chrome steel rings**, combined with **ceramic balls**, offer superior resistance to wear and a longer operational life. The open design allows for customized lubrication schemes to suit specific application needs.
Load Capacity: With a **dynamic load rating of 5850 lbf** and a **static load rating of 4860 lbf**, this angular contact bearing is capable of handling significant radial and axial loads in high-performance machinery.
7015 CE/HCP4A Bearing Typical Application Areas
The 7015 CE/HCP4A is specifically designed for high-performance applications where speed, precision, and reliability are critical. Typical uses include:
- Machine Tool Spindles: High-speed machining centers and grinding spindles
- Precision Robotics: High-accuracy robotic arms and joints
- Aerospace Systems: Gyroscopes, navigation systems, and auxiliary power units
- Medical Equipment: High-speed dental handpieces and surgical tools
- Semiconductor Manufacturing: Wafer handling robots and precision positioning stages
