7080 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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Product Overview and Core Advantages
The 7080 BM is a single row angular contact ball bearing designed for applications requiring exceptional precision and high load capacity. Engineered to accommodate combined loads (simultaneous radial and axial forces), this bearing features a 40° contact angle for superior axial load handling. Manufactured to P6 (ABEC-3) tolerance class, it delivers high running accuracy and rotational stability. The brass cage construction ensures reliable performance at the specified limiting speed, making it ideal for demanding industrial applications where precision and reliability are paramount.
7080 BM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Performance Significance |
|---|---|---|
| BM | Brass Cage | Provides excellent strength and stability at high speeds, suitable for demanding operating conditions |
| Open | No Seal/Shield | Allows for custom lubrication solutions and maximum heat dissipation |
Structural Features and Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precisely controlled dimensional tolerances (bore: -0.03mm to 0, OD: -0.038mm to 0) ensuring consistent performance and easy installation.
Superior Load Capacity: With a radial dynamic load rating of 118,575 lbf and radial static load rating of 229,500 lbf, this bearing handles significant combined loads effectively. The 40° contact angle optimizes axial load carrying capability.
Optimized Cage Design: The brass cage provides excellent mechanical strength and thermal stability, contributing to reliable operation at the specified limiting speed of 1,100 rpm.
Premium Material Selection: Constructed from chrome steel for both rings and balls, ensuring high durability and wear resistance in demanding applications.
7080 BM Bearing Typical Application Areas
- Machine Tool Spindles - High precision machining applications requiring accurate rotational performance
- Industrial Gearboxes - Power transmission systems demanding high load capacity and reliability
- Heavy Duty Pumps - Applications involving combined radial and axial loads
- Precision Positioning Systems - Equipment requiring P6 tolerance class accuracy
- Material Handling Equipment - Systems operating under substantial radial and axial loads
