71968 ACMB
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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71968 ACMB Bearing Product Overview & Core Advantages
The 71968 ACMB is a single row angular contact ball bearing engineered for precision applications requiring high rotational accuracy and reliable performance. Designed to accommodate combined loads (simultaneous radial and axial loads), this bearing features a 25° contact angle optimized for handling substantial axial loads in one direction. Manufactured to P6 (ABEC-3) tolerance class, it delivers exceptional running accuracy and dimensional stability. The brass cage ensures reliable operation at moderate speeds, while its open design allows for customized lubrication solutions based on specific application requirements.
71968 ACMB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71968 | Basic bearing designation indicating size series and bore diameter |
| A | 30° contact angle design (standard for angular contact bearings) |
| C | Enhanced internal design with optimized internal clearance |
| MB | Brass cage design for improved guidance and stability |
71968 ACMB Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with precise dimensional control (bore diameter tolerance: -0.03mm to 0), ensuring excellent running accuracy and minimal vibration.
Superior Load Capacity: With a radial dynamic load rating of 76,050 lbf and static load rating of 131,625 lbf, this bearing handles significant combined loads efficiently. The 25° contact angle provides optimal axial load carrying capability.
Premium Material Selection: Constructed from chrome steel rings and balls for exceptional hardness and fatigue resistance, combined with a brass cage that offers excellent dimensional stability and wear resistance.
Optimized Geometry: Features carefully calculated shoulder diameters (outer ring: 422mm, inner ring: 380mm) and chamfer dimensions (3mm) to ensure proper installation and optimal load distribution.
71968 ACMB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding machine spindles requiring exceptional running accuracy
- Industrial Gearboxes: Power transmission systems where combined radial and axial loads are present
- Pump and Compressor Systems: Applications demanding reliable performance under axial thrust loads
- Precision Positioning Systems: Rotary tables and indexing mechanisms requiring high accuracy and stiffness
- Material Handling Equipment: Heavy-duty applications where combined load capacity and precision are critical
