70/500 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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70/500 BM Bearing Product Overview & Core Advantages
The 70/500 BM is a single row angular contact ball bearing engineered for applications demanding high precision and robust performance under combined loads. This precision bearing is designed to accommodate significant axial loads in one direction in addition to radial loads, making it ideal for high-rigidity arrangements. Manufactured to a P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy. Its open design, pre-lubricated for immediate operation, and its substantial load ratings make it a reliable choice for heavy-duty, high-performance machinery.
70/500 BM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 70/500 | Bearing series and bore diameter of 500 mm. |
| BM | Designates a single row angular contact ball bearing with a 30° contact angle and optimized internal geometry. |
70/500 BM Bearing Structural Features & Performance Benefits
Optimized Internal Geometry & High Rigidity: The 30° contact angle and precisely calculated shoulder diameters provide excellent support, resulting in high system rigidity and stable operation under heavy combined loads.
Superior Load Capacity: With a dynamic load rating of 143,325 lbf and a static load rating of 315,000 lbf, this bearing is built to handle demanding applications with high reliability.
Precision & Speed Performance: The brass cage ensures dimensional stability and smooth operation at the specified limiting speed. Manufactured to P6 tolerance, it guarantees high running accuracy.
Ready-to-Install & Durable: The bearing comes pre-lubricated and features an open seal type, allowing for custom lubrication regimes while being ready for immediate use. The use of high-grade chrome steel for rings and balls ensures long service life.
70/500 BM Bearing Typical Application Areas
This bearing is suited for heavy-duty industrial applications where high precision and load capacity are paramount. Typical uses include:
- Large Machine Tool Spindles
- Industrial Gearboxes
- Heavy-Duty Pumps and Compressors
- Large-Diameter Precision Rotating Shafts
- Material Handling Equipment
