7209 BEGBY
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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7209 BEGBY Bearing Product Overview & Core Advantages
The 7209 BEGBY is a single row angular contact ball bearing designed for high-precision applications requiring superior performance under combined loads. Engineered with a 40° contact angle and P6 (ABEC-3) precision class, this bearing excels at handling significant axial loads in one direction while simultaneously supporting radial loads. Its brass cage ensures reliable operation at high speeds, making it an ideal solution for demanding applications where high rigidity and rotational accuracy are critical.
7209 BEGBY Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7209 | Basic bearing designation indicating metric dimensions (45mm bore, 85mm OD, 19mm width) |
| BE | High capacity design with optimized internal geometry |
| GB | 40° contact angle for enhanced axial load capacity |
| Y | Pressed brass cage for high-speed capability and durability |
7209 BEGBY Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The BE design features enhanced ball complement and raceway geometry, significantly increasing load carrying capacity while maintaining high-speed performance.
High Axial Load Capacity: With a 40° contact angle, this bearing is specifically engineered to handle substantial axial loads in one direction, making it suitable for applications with significant thrust requirements.
Superior High-Speed Performance: The brass cage (Y designation) provides excellent dimensional stability and strength at elevated speeds, contributing to reliable operation up to the limiting speed of 10,000 rpm.
Precision Engineering: Manufactured to P6 (ABEC-3) tolerance class with strict dimensional controls, ensuring consistent performance and rotational accuracy in precision applications.
Material Excellence: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life under demanding operating conditions.
7209 BEGBY Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring accurate rotational performance
- Industrial Pumps - Centrifugal and axial flow pumps handling significant axial thrust loads
- High-Speed Gearboxes - Power transmission systems demanding reliable high-speed operation
- Precision Instrumentation - Medical equipment and measuring devices requiring minimal runout
- Electric Motors - High-performance motors where axial positioning and speed capability are critical
- Material Handling Equipment - Conveyor systems and automated machinery needing robust bearing solutions
