718/1250 AMB
Single Row Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
718/1250 AMB Bearing Product Overview & Core Advantages
The 718/1250 AMB is a high-precision single row angular contact ball bearing engineered for demanding applications requiring exceptional rigidity and accuracy. With its 40° contact angle and P6 (ABEC-3) tolerance class, this bearing is optimized to handle significant combined loads, including high radial and unidirectional axial loads simultaneously. Its robust construction from chrome steel and brass cage ensures reliable performance in high-speed, high-rigidity scenarios, making it an ideal component for precision machinery where operational stability is critical.
718/1250 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 718 | Bearing series designation for angular contact ball bearings |
| 1250 | Bore diameter in millimeters (1250 mm) |
| AMB | Manufacturer-specific suffix indicating special design features and precision grade |
718/1250 AMB Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The 40° contact angle and single row design provide superior performance under combined radial and axial loads, with a radial dynamic load rating of 256,500 lbf and static load rating of 877,500 lbf.
High-Speed Capability: Featuring a brass cage and precision manufacturing, this bearing maintains stability at limiting speeds of 0.3 × 1000 rpm, making it suitable for high-speed applications.
Precision Engineering: Manufactured to P6 (ABEC-3) tolerance class with tight dimensional control (bore tolerance: -0.075mm to 0), ensuring precise fit and minimal runout in critical applications.
Robust Material Construction: Both rings and balls are made from chrome steel for enhanced durability and wear resistance, while the brass cage provides excellent guidance and stability.
Thermal Performance: Operating temperature range of -30° to 110°C with pre-lubrication ensures reliable performance across various environmental conditions.
718/1250 AMB Bearing Typical Application Areas
- Large precision machine tools and machining centers requiring high rigidity and accuracy
- Industrial gearboxes and power transmission systems
- Heavy-duty rotating equipment in mining and construction machinery
- Large pump systems and compressor applications
- Specialized industrial machinery requiring large bore bearings with precise tolerances
