S7007 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7007 CE/HCP4A Bearing Product Overview & Core Advantages
The S7007 CE/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. Its single-row design with a 15° contact angle is optimized to support high combined loads, handling significant radial loads and axial loads in one direction simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it guarantees minimal runout and superior performance. Key advantages include its high-speed capability enabled by a phenolic cage and ceramic balls, and its sealed and pre-lubricated design for long-term, maintenance-free operation.
S7007 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| S7007 | Basic bearing series and size designation (35mm bore, 62mm OD, 14mm width). | Defines the core bearing dimensions and internal geometry. |
| C | Specifies a 15° contact angle. | Optimized for high-speed operation and moderate axial load capacity. |
| E | Indicates optimized internal design and higher performance. | Enhances speed capability and reduces noise and vibration. |
| HC | Signifies the use of hybrid ceramic balls (Silicon Nitride). | Provides lower density, reduced friction, higher limiting speed, and longer service life. |
| P4A | Denotes ABEC-7 / P4 precision tolerance class. | Ensures extreme dimensional and running accuracy for high-precision applications. |
S7007 CE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and allows for a higher limiting speed (40,000 rpm) compared to all-steel equivalents.
- Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability and guidance, contributing to smooth operation and high-speed performance with minimal friction.
- Precision P4 Grade: Manufactured to ultra-precise tolerances, this bearing delivers exceptional running accuracy, reduced vibration, and is ideal for applications demanding high positional precision.
- Sealed & Pre-lubricated: The integrated seals protect against contamination and retain lubricant, ensuring consistent performance and a long, maintenance-free service life within the specified temperature range.
- High Load Capacity: With a dynamic load rating of 2565 lbf and a static load rating of 1474 lbf, it reliably handles significant combined (radial and axial) loads.
S7007 CE/HCP4A Bearing Typical Application Areas
The S7007 CE/HCP4A is ideally suited for high-performance machinery where speed, precision, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and PCB drilling machines.
- Precision Instrumentation: High-resolution scanners, measuring devices, and optical equipment.
- High-Speed Motors and Drives: Servo motors, spindle motors, and turbo-molecular pumps.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and auxiliary power units (APUs).
