S7024 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7024 CB/HCP4A Bearing Product Overview & Core Advantages
The S7024 CB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and reliability. This sealed single bearing features a 15° contact angle and is supplied with a preload, delivering superior running accuracy and high rigidity. Its advanced material composition, including ceramic balls and a phenolic cage, enables outstanding high-speed performance and thermal stability, making it ideal for precision spindles and other critical machinery.
S7024 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Advantage |
|---|---|---|
| CB | Specific internal clearance and preload designation | Optimized for high rigidity and precise rotational performance |
| HC | Hybrid Ceramic (Ceramic balls with steel rings) | Higher speed capability, reduced friction, and longer service life |
| P4A | ABEC-7 / ISO P4 tolerance class with specific accuracy enhancements | Exceptional running accuracy for precision applications |
S7024 CB/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls significantly reduces centrifugal forces, enabling higher limiting speeds (11,000 rpm) while providing electrical insulation and superior operation in marginal lubrication conditions.
Phenolic Resin Cage: The lightweight phenolic cage offers excellent dimensional stability at high speeds and temperatures, contributing to smooth operation and reduced vibration.
Preloaded Design: The bearing is supplied with a preload, which maximizes system stiffness, improves guidance accuracy, and minimizes axial and radial runout.
Sealed & Lubricated: The integral seals protect against contamination and retain the factory-applied high-performance grease, ensuring reliable operation and reducing maintenance needs within the specified temperature range of -30°C to 110°C.
S7024 CB/HCP4A Bearing Typical Application Areas
- High-Speed Machine Tool Spindles for milling, grinding, and drilling
- Precision CNC Machining Centers
- High-frequency Electric Spindle Motors
- Advanced Robotics and automation systems
- High-performance Pumps and compressors
