7408 BGBM
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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7408 BGBM Bearing Product Overview & Core Advantages
The 7408 angular contact ball bearing is a precision single-row bearing engineered for applications requiring high rotational accuracy and rigidity. Designed to accommodate combined loads, it efficiently handles significant radial loads alongside substantial unidirectional axial loads. Manufactured to P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy. Its 40° contact angle and optimized internal geometry provide superior axial load capacity and operational stability, making it an ideal choice for high-speed spindles and other demanding machinery.
7408 BGBM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| 7408 | Basic model number, indicating a metric series angular contact ball bearing with a 40 mm bore and 110 mm outside diameter. |
| No Seal Suffix | The bearing is supplied in an open configuration, allowing for custom lubrication schemes and high-speed operation. |
| P6 | Indicates a tolerance class equivalent to ABEC-3, ensuring high precision in dimensions and running accuracy. |
7408 BGBM Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row design with a 40° contact angle provides excellent resistance to deformation under load, offering high rigidity and the ability to support substantial combined radial and axial loads.
- Optimized for High-Speed Operation: The brass cage ensures stability and low friction at high rotational speeds, contributing to a limiting speed of 11,000 rpm. The open design minimizes heat generation from churning lubricant.
- Precision Engineering: Manufactured to P6 tolerance from high-grade chrome steel, this bearing guarantees consistent performance, low noise, and minimal vibration in precision applications.
- Versatile Lubrication: The open structure allows for the use of specialized high-performance greases or oil lubrication systems, tailored to specific operational requirements and temperature ranges (-30° to 110 °C).
7408 BGBM Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles
- High-Speed Motors and Pumps
- Precision Gearboxes
- Industrial Robotics and Automation
- Medical and Dental Equipment
