708/1250 AMB
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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708/1250 AMB Bearing Product Overview & Core Advantages
The 708/1250 AMB is a single row angular contact ball bearing engineered for demanding applications requiring exceptional precision and reliability. This metric bearing is characterized by its ability to accommodate combined loads—simultaneously supporting significant radial loads and unidirectional axial loads. Its optimized 40° contact angle provides superior axial rigidity, making it an ideal choice for high-precision machinery. Manufactured to a P6 (ABEC-3) tolerance class, it ensures consistent performance and long service life in critical operational environments.
708/1250 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 708/1250 | Bearing series and size designation (1250 mm bore diameter) |
| AMB | Specific manufacturer designation for internal design and performance characteristics |
Note: This is an open bearing (no seal suffix indicated) and comes pre-lubricated from the factory.
708/1250 AMB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single row design with a 40° contact angle is optimized to handle high combined loads. It offers a substantial radial dynamic load rating of 181,350 lbf and a radial static load rating of 607,500 lbf, ensuring stable operation under heavy loads.
- Precision Engineering: Manufactured to P6 tolerance with a brass cage, this bearing guarantees smooth running and precise rotational accuracy, which is critical for high-performance applications.
- Robust Material Construction: Both the rings and balls are made from high-grade chrome steel, providing excellent wear resistance and durability, while the brass cage ensures reliable performance at the specified limiting speed.
- Optimized Geometry: Key dimensions such as the shoulder diameters (1412 mm outer, 1341 mm inner) and a 437 mm distance from side face to load point are precisely calculated for optimal load distribution and integration into complex assemblies.
708/1250 AMB Bearing Typical Application Areas
Due to its large bore diameter, high load capacity, and precision tolerances, the 708/1250 AMB is ideally suited for heavy-duty industrial machinery, including:
- Large Industrial Gearboxes
- Heavy-Duty Mining and Construction Equipment
- Large-Diameter Rotating Machinery such as industrial fans and turbines
- Precision Machine Tool Spindles requiring high rigidity
