S7001 CEGB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7001 CEGB/HCP4A Bearing Product Overview & Core Advantages
The S7001 CEGB/HCP4A is a precision single-row angular contact ball bearing engineered for applications demanding high speed and exceptional rotational accuracy. Its design is optimized to support combined loads, accommodating significant axial loads in one direction alongside radial loads. Key advantages include its P4A super-precision tolerance class for minimal runout, a phenolic resin cage for reduced friction at high speeds, and ceramic balls that minimize centrifugal forces and thermal expansion. This combination delivers superior performance, high rigidity, and extended service life in demanding operational environments.
S7001 CEGB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7001 | Basic bearing series and size designation (12mm bore, 28mm OD). |
| C | Specifies a 15° contact angle, optimized for high-speed operation. |
| E | Indicates an optimized internal design for enhanced performance. |
| GB | Signifies preloaded grease lubrication from the factory. |
| HC | Denotes the use of hybrid ceramic balls (Silicon Nitride). |
| P4A | Identifies the super-precision tolerance class, exceeding ABEC 7 standards. |
S7001 CEGB/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of ceramic balls with a chrome steel ring significantly reduces weight and centrifugal force, enabling higher limiting speeds and providing non-conductive properties. This also enhances operational life by resisting wear and operating effectively in marginal lubrication conditions.
High-Speed Phenolic Cage: The phenolic resin cage offers excellent strength-to-weight ratio and operates smoothly with minimal friction, which is critical for achieving superior high-speed performance and low vibration levels.
Precision & Rigidity: Manufactured to P4A tolerance class, this bearing ensures extreme dimensional and running accuracy. The 15° contact angle and optimized internal geometry provide high rigidity, making it suitable for applications requiring precise shaft positioning and low deflection under load.
Sealed & Pre-Lubricated: The sealed design protects against contamination and retains the factory-fill high-performance grease, making the bearing maintenance-free and ready for immediate installation and use.
S7001 CEGB/HCP4A Bearing Typical Application Areas
The S7001 CEGB/HCP4A is ideally suited for high-performance applications where speed, precision, and reliability are paramount. Typical industries and equipment include:
- High-Frequency CNC Spindles for milling, grinding, and routing
- Precision Instrumentation and measuring equipment
- High-Speed Automation robots and manipulators
- Medical and Dental Handpieces
- Aerospace Actuators and auxiliary power units
