S7009 CE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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S7009 CE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7009 CE/HCP4BVG275 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed capability and rigidity. This sealed bearing features a single, preloaded arrangement and is manufactured to a P4 (ABEC-7) tolerance class, ensuring superior running accuracy. Its core advantages include the ability to handle high combined loads (radial and axial) simultaneously, outstanding high-speed performance enabled by a phenolic cage and ceramic balls, and long-term, maintenance-free operation due to its integral seals and factory-applied lubrication.
S7009 CE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7009 | Denotes the bearing series and size (45mm bore, 75mm OD). |
| CE | Indicates 15° contact angle and a specific internal design optimized for high-speed operation. |
| HC | Signifies the use of Hybrid Ceramic components (ceramic balls with steel rings). |
| P4 | Specifies the precision tolerance class (ABEC-7 equivalent), ensuring minimal runout and vibration. |
| VG275 | Likely refers to a specific grease type and fill quantity suitable for the high-speed and temperature range. |
S7009 CE/HCP4BVG275 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 extends bearing life, especially at high rotational speeds.
Phenolic Resin Cage: This lightweight and robust cage material offers excellent dimensional stability and low friction, further contributing to the bearing's high limiting speed of 32,000 rpm.
15° Contact Angle & Preload: The defined contact angle and built-in preload provide high axial rigidity and precise rotational accuracy, making it ideal for applications requiring minimal deflection under load.
Integrated Seals & Lubrication: The sealed design retains the high-performance grease, protecting against contamination and providing maintenance-free operation throughout the bearing's service life.
S7009 CE/HCP4BVG275 Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery where speed, accuracy, and reliability are paramount. Key application areas include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- High-Frequency Motors & Spindles: Used in PCB drilling and other precision machining applications.
- Turbochargers: Where high rotational speeds and temperature resistance are critical.
- Precision Instrumentation: In medical devices, optical scanners, and analytical equipment.
