7309 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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7309 BECBP Bearing Product Overview & Core Advantages
The 7309 BECBP is a single row angular contact ball bearing engineered for high-precision applications requiring exceptional performance under combined loads. This metric bearing features a 40° contact angle, optimized to handle significant axial loads in one direction while supporting substantial radial loads simultaneously. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and rotational precision. The nylon cage construction contributes to smooth operation at high speeds (up to 9,000 rpm), making it ideal for demanding industrial environments where reliability and high rigidity are critical.
7309 BECBP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7309 | Basic bearing designation indicating single row angular contact type with 45mm bore, 100mm OD, and 25mm width |
| BE | High capacity design with optimized internal geometry |
| C | 40° contact angle for enhanced axial load capacity |
| BP | Precision P6 tolerance class (equivalent to ABEC-3) |
7309 BECBP Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: The BE design features enhanced raceway and ball complement configuration, maximizing load distribution and extending service life under demanding operating conditions.
High-Speed Capability: The nylon cage ensures excellent guidance and reduced friction, enabling stable operation at limiting speeds of 9,000 rpm while maintaining dimensional stability.
Superior Load Capacity: With a radial dynamic load rating of 13,725 lbf and radial static load rating of 9,112 lbf, this bearing delivers reliable performance under significant combined loads.
Precision Engineering: Manufactured to P6 tolerance class with precise dimensional control, ensuring minimal runout and vibration for applications requiring high rotational accuracy.
Material Excellence: Constructed from chrome steel for both rings and balls, providing excellent wear resistance and durability across the operating temperature range of -30°C to 110°C.
7309 BECBP Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring accurate rotational performance
- Industrial Pumps - Centrifugal and process pumps handling axial and radial loads
- High-Speed Gearboxes - Power transmission systems demanding reliable bearing performance
- Precision Instrumentation - Measuring equipment and analytical instruments requiring minimal vibration
- Electric Motors - High-performance motors where speed and accuracy are critical
- Material Handling Equipment - Conveyor systems and automated guided vehicles
