7409 BGM
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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7409 BGM Bearing Product Overview & Core Advantages
The 7409 single row angular contact ball bearing represents a precision-engineered solution for applications requiring exceptional rotational accuracy and high-speed capability. Designed with a 40° contact angle, this bearing excels at supporting combined loads—simultaneously handling substantial radial forces and unidirectional axial thrust. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running precision and dimensional stability. The open design with brass cage construction enables high-speed operation up to 7,500 rpm while maintaining optimal performance across a wide temperature range (-30° to 110°C).
7409 BGM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Implication |
|---|---|---|
| 7409 | Basic bearing designation indicating 45mm bore, 120mm OD, 29mm width | Standard bearing dimensions for medium-duty applications |
| Open | No seals or shields | Maximum speed capability, suitable for controlled environments |
| P6 Tolerance | ABEC-3 precision class | Enhanced running accuracy and reduced vibration |
7409 BGM Bearing Structural Features & Performance Benefits
Optimized Contact Geometry: The 40° contact angle provides superior axial load capacity while maintaining excellent radial load performance, making it ideal for applications with significant thrust requirements.
High-Speed Brass Cage: The machined brass cage ensures reliable operation at limiting speeds of 7,500 rpm, offering excellent guidance and stability under high rotational forces.
Precision Manufacturing: Manufactured to P6 tolerance class with tight dimensional control (bore tolerance: -0.01mm to 0), this bearing delivers consistent performance and precise shaft positioning.
Robust Load Capacity: With a dynamic load rating of 19,170 lbf and static load rating of 12,375 lbf, the 7409 provides reliable performance in demanding applications.
Material Excellence: Constructed from chrome steel for both rings and balls, ensuring high hardness, wear resistance, and long service life under continuous operation.
7409 BGM 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 requiring precise bearing alignment
- Precision Instruments: Medical equipment and measuring devices demanding minimal runout
- Electric Motors: High-performance motors where speed and accuracy are critical
