71972 ACMB
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
71972 ACMB Bearing Product Overview & Core Advantages
The 71972 ACMB is a single row angular contact ball bearing designed for applications requiring exceptional precision and reliability. Engineered to accommodate combined loads—simultaneously handling significant radial and axial forces—this bearing features a 25° contact angle optimized for high axial load capacity. Manufactured to P6 (ABEC-3) tolerance class, it delivers superior running accuracy and dimensional stability. The open design with brass cage ensures optimal performance in demanding industrial environments where precision is paramount.
71972 ACMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71972 | Basic bearing designation indicating metric dimensions (360mm bore × 480mm OD × 56mm width) |
| AC | Angular Contact design with 25° contact angle |
| MB | Brass machined cage for superior guidance and stability at high speeds |
71972 ACMB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precisely controlled bore diameter tolerance (-0.03mm to 0) and outside diameter tolerance (-0.033mm to 0) for exceptional running accuracy.
Superior Load Capacity: With radial dynamic load rating of 78,975 lbf and radial static load rating of 141,750 lbf, this bearing delivers reliable performance under substantial combined loads.
Optimized Material Selection: Chrome steel rings and balls combined with brass cage material provide excellent wear resistance and dimensional stability across the operating temperature range of -30° to 110°C.
Precision Geometry: The 25° contact angle and optimized raceway geometry ensure efficient load distribution, while the 4mm chamfer dimension facilitates proper installation and alignment.
71972 ACMB Bearing Typical Application Areas
- Machine tool spindles requiring high precision and rigidity
- Industrial gearboxes and power transmission systems
- Precision rotary tables and indexing mechanisms
- Large pump systems handling combined radial and axial loads
- Specialized industrial machinery where P6 tolerance class is required
- Robotics and automation equipment demanding high positional accuracy
