7407 BM
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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7407 BM Bearing Product Overview & Core Advantages
The 7407 BM is a single row angular contact ball bearing designed for applications requiring high precision and reliable performance under combined loads. This metric bearing features a 40° contact angle, optimized for supporting significant axial loads in one direction alongside radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy. Its open design allows for versatile lubrication options, while the brass cage ensures stable operation at the limiting speed of 12,000 rpm. This bearing is engineered for applications demanding high rigidity and precise shaft positioning.
7407 BM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7407 | Basic bearing series number, defining the standard metric dimensions: 35mm bore, 100mm OD, 25mm width. |
| B | Indicates a 40° contact angle, providing enhanced axial load capacity. |
| M | Designates the brass cage (machined), contributing to high-speed capability and mechanical stability. |
7407 BM Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row design with a 40° contact angle and robust construction provides high rigidity, enabling it to handle combined radial and axial loads effectively. The dynamic load rating of 13,612 lbf and static load rating of 8,550 lbf confirm its durability.
- High-Speed Performance: The precision-machined brass cage (M) ensures excellent guidance and low friction, supporting operation at the high limiting speed of 12,000 rpm.
- Precision Engineering: Manufactured to P6 tolerance class with tight dimensional tolerances on bore, outside diameter, and width, ensuring precise shaft running and positioning accuracy.
- Material Quality: Constructed from chrome steel for both rings and balls, offering high wear resistance and long service life. The open seal type allows for custom lubrication strategies to suit specific operational temperature ranges from -30°C to 110°C.
7407 BM Bearing Typical Application Areas
The 7407 BM angular contact ball bearing is ideally suited for high-performance applications including:
- Machine Tool Spindles
- Precision Gearboxes
- Pumps and Compressors
- Industrial Automation Equipment
- High-Speed Motors
