7309 BEGBP
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 BEGBP Bearing Product Overview & Core Advantages
The 7309 BEGBP 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 for carrying significant axial loads in one direction while simultaneously handling radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers the high running accuracy and dimensional stability essential for demanding industrial machinery. Its nylon cage contributes to smooth operation at the limiting speed of 9,000 rpm, making it a reliable choice for high-speed applications.
7309 BEGBP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7309 | Basic bearing designation indicating a metric single row angular contact ball bearing with a 45 mm bore diameter. |
| BE | Designates a 40° contact angle and an optimized internal design for high axial load capacity. |
| GB | Indicates the bearing is supplied with pre-applied grease lubrication, ready for immediate use. |
| P6 | Specifies the tolerance class (equivalent to ABEC-3), ensuring high precision in bore, outside diameter, and width dimensions. |
7309 BEGBP Bearing Structural Features & Performance Benefits
- High Axial Load Capacity: The 40° contact angle is specifically engineered to support high one-direction axial loads, making it superior to standard deep groove ball bearings for thrust applications.
- Precision & Rigidity: Manufactured to P6 tolerance with tight dimensional controls, this bearing provides high running accuracysystem rigidity, minimizing deflection under load.
- High-Speed Suitability: The lightweight nylon cage reduces centrifugal forces, enabling stable operation up to the limiting speed of 9,000 rpm. The optimized internal geometry further enhances high-speed performance.
- Ready-to-Install: The pre-lubricated (GB) and open seal type design simplifies installation and provides initial protection, though it requires a sealed housing environment for long-term operation.
- Robust Construction: Components made from chrome steel offer high hardness and durability, supporting the dynamic load rating of 13,725 lbf and static load rating of 9,112 lbf.
7309 BEGBP Bearing Typical Application Areas
The 7309 BEGBP angular contact ball bearing is ideally suited for precision machinery and high-speed equipment, including:
- Machine Tool Spindles
- High-Frequency Electric Motors
- Pumps and Compressors
- Precision Gearboxes
- Agricultural Machinery
- Material Handling Systems
