7018 CE/P4BVG275
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
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7018 CE/P4BVG275 Bearing Product Overview & Core Advantages
The 7018 CE/P4BVG275 is a single-row angular contact ball bearing designed for applications requiring high precision and superior rotational accuracy. Manufactured to P4 (ABEC-7) tolerance class, this bearing delivers exceptional dimensional stability and running accuracy. Its key advantage lies in its ability to accommodate combined loads (simultaneous radial and axial loads) efficiently, making it ideal for high-speed, high-rigidity applications. The bearing is pre-lubricated and features a lightweight phenolic cage, contributing to its excellent high-speed performance and operational reliability.
7018 CE/P4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| CE | Contact angle of 15° | Optimized for handling axial loads in one direction while supporting radial loads. |
| P4 | Tolerance class P4 (ABEC-7) | Guarantees high precision, low runout, and smooth operation for demanding applications. |
| B | 72° contact angle (modified) | Enhances axial load capacity and stiffness. |
| VG | Vibration level specification | Indicates controlled vibration levels for quieter, smoother running. |
| 275 | Preload specification | Provides preload for increased rigidity and reduced axial/radial play under operational conditions. |
7018 CE/P4BVG275 Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The single-row angular contact design, combined with a 15° contact angle and P4 precision, ensures high system rigidity and accurate shaft positioning. The preload further minimizes deflection under load.
Superior Load Capacity: Engineered to handle significant combined loads. The radial dynamic load rating of 8055 lbf and radial static load rating of 7200 lbf demonstrate its robust performance in demanding conditions.
High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, enabling a high limiting speed of 13.3 x 1000 rpm. This makes it suitable for high-speed spindle applications.
Optimized Material & Construction: Made from chrome steel for both rings and balls, ensuring high durability and wear resistance. The open seal design allows for efficient lubrication management in controlled environments.
7018 CE/P4BVG275 Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers, grinding spindles.
- High-Speed Motors & Spindles: Electric motors, CNC router spindles.
- Precision Gearboxes: Industrial gearboxes requiring high accuracy and speed.
- Pumps & Compressors: High-speed pumps and compressor shafts.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and other precision instruments.
