71972 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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71972 AMB Bearing Product Overview & Core Advantages
The 71972 AMB is a single row angular contact ball bearing engineered for precision applications requiring exceptional performance under combined loads. Featuring a 30° contact angle, this bearing is specifically designed to handle significant axial loads in one direction while supporting substantial radial loads. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and rotational precision. The bearing's optimized internal geometry and brass cage construction ensure reliable operation in demanding environments, making it ideal for high-speed machinery where rigidity and positional accuracy are critical requirements.
71972 AMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 71972 | Basic bearing designation indicating metric dimensions (360mm bore × 480mm OD × 56mm width) | Standardized sizing for interchangeability and precise fitment |
| AMB | Specific internal design and manufacturing specifications | Optimized performance characteristics for specialized applications |
71972 AMB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precise bore diameter tolerance of -0.03mm to 0 and outside diameter tolerance of -0.033mm to 0, ensuring exceptional running accuracy and minimal vibration.
Superior Load Capacity: With a radial dynamic load rating of 76,050 lbf and radial static load rating of 137,250 lbf, this bearing delivers outstanding performance under heavy combined loads. The 30° contact angle provides excellent axial load carrying capacity in one direction.
Optimized Material Selection: Constructed from chrome steel for both rings and balls, combined with a brass cage, providing excellent durability, wear resistance, and reliable operation at limiting speeds up to 1,500 rpm.
Precision Engineering: Features carefully calculated shoulder diameters (outer ring: 441.66mm, inner ring: 408mm) and a distance from side face to load point of 149mm, ensuring optimal load distribution and stable operation.
71972 AMB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers requiring exceptional running accuracy and rigidity
- Industrial Gearboxes: Heavy-duty transmission systems demanding reliable performance under combined loads
- Precision Rotary Tables: Positioning equipment requiring minimal runout and high axial stiffness
- High-Speed Compressors: Rotary equipment operating at elevated speeds with significant axial thrust loads
- Industrial Pumps: Applications requiring reliable operation with precise shaft positioning and load capacity
