7309 ACCBM
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 ACCBM Bearing Product Overview & Core Advantages
The 7309 ACCBM is a single row angular contact ball bearing engineered for precision applications requiring high rotational accuracy and reliable performance. Designed to accommodate combined loads (simultaneous radial and axial forces), this bearing features a 25° contact angle optimized for handling substantial axial loads in one direction. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and dimensional stability. The brass cage ensures reliable operation at high speeds, while the open design facilitates customized lubrication solutions for specific application requirements.
7309 ACCBM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 7309 | Standard bore diameter 45mm, outside diameter 100mm, width 25mm | Standardized bearing dimensions for easy integration |
| AC | Angular Contact design with 25° contact angle | Optimized for axial load capacity in one direction |
| C | Brass cage construction | Enhanced stability at high speeds up to 13,000 rpm |
| BM | Copper alloy cage with machined design | Superior strength and thermal conductivity |
7309 ACCBM Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P6 tolerance class with bore diameter tolerance of -0.01mm to 0, ensuring exceptional dimensional accuracy and consistent performance in precision applications.
High Load Capacity: With a dynamic load rating of 15,300 lbf and static load rating of 10,238 lbf, this bearing delivers reliable performance under significant combined radial and axial loads.
Optimized Speed Performance: The brass cage construction combined with precise raceway geometry enables operation at limiting speeds of 13,000 rpm, making it suitable for high-speed applications.
Material Excellence: Constructed from chrome steel for both rings and balls, providing excellent hardness, wear resistance, and durability across the operating temperature range of -30° to 110°C.
7309 ACCBM Bearing Typical Application Areas
- Machine Tool Spindles: Precision machining centers requiring high rotational accuracy and rigidity
- Industrial Pumps: Centrifugal and process pumps handling axial and radial loads
- Electric Motors: High-speed motor applications demanding reliable bearing performance
- Gearboxes: Power transmission systems requiring precise shaft positioning
- Precision Instruments: Medical equipment and measuring devices needing accurate rotational performance
- Agricultural Machinery: Implement systems requiring durable bearing solutions
