S7008 CE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7008 CE/HCP4BVG275
Basic Information
System of measurement
Metric
Weight
0.17 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
68 mm
Outside diameter tolerance
-0.007mm to 0
Width
15 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.144 mm
Ball quantity
19
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2790 lbf
Radial static load rating
1721 lbf
Limiting speed
36 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 257.24
/ each
In Stock
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S7008 CE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7008 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-row design with a 15° contact angle, optimized to handle combined radial and axial loads simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running accuracy. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed performance and thermal stability, making it an ideal solution for high-reliability, precision machinery.
S7008 CE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| CE | Ceramic Ball Material | Reduced weight, lower friction, and superior performance at high speeds and temperatures. |
| HC | Phenolic Resin Cage | Lightweight and robust, ideal for high rotational speeds and offering good sliding properties. |
| P4 | P4 (ABEC-7) Tolerance Class | Guarantees extremely tight dimensional and running accuracy for precision applications. |
| BVG | Sealed & Pre-lubricated | Provides effective contamination protection and is lubricated for life, ensuring maintenance-free operation. |
| 275 | Internal Design & Preload | Specific internal geometry and preload setting for enhanced stiffness and precise shaft positioning. |
S7008 CE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The combination of a 15° contact angleP4 precision ensures minimal deflection under load, providing exceptional running accuracy and system stability.
- Superior High-Speed Capability: The ceramic balls significantly reduce centrifugal forces, while the lightweight phenolic cage ensures stable operation, collectively enabling a high limiting speed of 36,000 rpm.
- Optimized Load Capacity: Engineered to handle combined loads, this bearing offers a dynamic load rating of 2790 lbf and a static load rating of 1721 lbf, suitable for applications with significant radial and axial force components.
- Maintenance-Free & Long Service Life: The integrated seals protect against contaminants, and the factory-applied lubrication is effective within a temperature range of -30° to 110 °C, ensuring reliable, long-term performance without re-lubrication.
S7008 CE/HCP4BVG275 Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles for CNC milling and grinding machines
- High-Speed Motors and Spindles
- Precision Robotics and automation equipment
- Aerospace Actuators and auxiliary systems
- Medical and Dental Handpieces
