7218 BECBP
Single Row Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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7218 BECBP Bearing Product Overview & Core Advantages
The 7218 BECBP is a single row angular contact ball bearing engineered for high-precision applications requiring superior performance under combined loads. Its design is optimized to accommodate significant axial loads in one direction in addition to radial loads, making it an ideal solution for machine tool spindles and other high-speed machinery. Manufactured to P6 (ABEC-3) tolerance class, this bearing delivers exceptional running accuracy and rotational stability. The 40° contact angle provides high rigidity and excellent thrust capacity, while the open design allows for optimal lubrication management in demanding operational environments.
7218 BECBP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 72 | Angular contact bearing series | Optimized for combined load applications |
| 18 | Bore diameter: 90 mm | Standard metric sizing for industrial applications |
| BE | High contact angle design (40°) | Enhanced axial load capacity and rigidity |
| CBP | Enhanced internal design with optimized contact geometry | Improved stress distribution and longer service life |
7218 BECBP Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The 7218 BECBP features precision-engineered raceways and a 40° contact angle that delivers superior axial load capacity while maintaining excellent radial performance. This design ensures optimal load distribution across the bearing contact surfaces.
High-Speed Capability: Equipped with a nylon cage that reduces centrifugal forces and maintains stability at limiting speeds up to 5,000 rpm. The lightweight cage design minimizes friction and heat generation during high-speed operation.
Precision Manufacturing: Manufactured to P6 (ABEC-3) tolerance class with tight dimensional controls on bore diameter (-0.015mm to 0), outside diameter (-0.018mm to 0), and width (-0.05mm to 0) for consistent performance in precision applications.
Material Excellence: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and dimensional stability across the operating temperature range of -30° to 110°C.
7218 BECBP Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers requiring exceptional rigidity and running accuracy
- Industrial Pumps: Centrifugal and process pumps handling axial and radial loads simultaneously
- High-Speed Gearboxes: Power transmission systems demanding reliable performance at elevated speeds
- Precision Robotics: Industrial robots and automation equipment requiring accurate positioning and smooth operation
- Electric Motors: High-performance motors where axial thrust loads must be accommodated efficiently
