— GLOBAL BESTSELLER BEARINGS
Angular Contact Ball
Bearings
Angular contact ball bearings consist of an inner ring, an outer ring, steel balls, and a cage with raceways designed at a specific contact angle. This design supports combined radial and axial loads while providing high-speed capability, excellent running accuracy, and high rigidity for demanding industrial and precision applications.
Combined Load Support
High Load Capacity
High Rigidity
High Speed Capability
Low Vibration
Long Service Life
Advantages
- Support combined radial and axial loads with high operating accuracy.
- Deliver excellent rigidity for precision rotating equipment.
- Operate reliably at high speeds with optimized internal geometry.
- Available in matched pairs for increased load capacity.
- Provide smooth running with low vibration and stable performance.
- Suitable for demanding industrial and precision applications.
Classification of Angular Contact Ball Bearings
Single Row
Single row angular contact ball bearings support combined radial and axial loads acting primarily in one direction. They provide high running accuracy, excellent speed capability, and reliable rigidity. Typical applications include machine tool spindles, pumps, compressors, and precision industrial equipment.
Double Row
Double row angular contact ball bearings support combined loads in both directions within a compact design. They simplify installation while providing higher rigidity and stable performance than single-row arrangements. Common applications include automotive systems, pumps and general industrial machinery.
Four-Point Contact
Four-point contact ball bearings feature a split inner ring that creates four-point ball contact with the raceways. Their design supports axial loads in both directions while occupying minimal axial space. Suitable for gearboxes, rotary tables, cranes, and wind turbine equipment.
Matched Sets
Matched angular contact ball bearings are supplied as universal pairs or bearing sets to improve rigidity, running accuracy, and combined load capacity. They are widely selected for CNC machine tools, precision spindles, and other applications requiring accurate shaft positioning and stable operation.
Bearing Range & Customization Capabilities
HSN supplies standard and customized angular contact ball bearings with bore diameters from 10 mm to over 1000 mm, including single-row, double-row, four-point contact, and matched bearing arrangements. Our product range covers 718, 719, 70, 72, 73, QJ and QJF series for precision and industrial applications. In addition, HSN supports customized solutions for high-speed operation, combined loads, precision equipment, and non-standard replacement requirements.
| series | Bore Diameter Range |
|---|---|
| 718 Series | 10 mm – 1500 mm |
| 719 Series | 15 mm – 1400 mm |
| 70 Series | 10 mm – 1250 mm |
| 72 Series | 10 mm – 360 mm |
| 73 Series | 10 mm – 340 mm |
| 74 Series | 15 mm – 480 mm |
| QJ Series | 15 mm – 480 mm |
Specifications of Angular Contact Ball Bearings
Application Industries
Angular contact ball bearings support combined radial and axial loads while delivering high running accuracy, excellent rigidity, and reliable high-speed performance. They are particularly suitable for equipment requiring precise shaft positioning and stable operation under demanding conditions. Typical applications include machine tool spindles, pumps, compressors, robotics, and other precision industrial machinery.
Interchangeable Brands
HSN reviews the product portfolios and engineering features of leading angular contact ball bearing manufacturers, including SKF, FAG, NTN, NSK, KOYO, and Timken. Key comparisons cover contact angles, dimensional standards, bearing arrangements, cage materials, internal clearance, precision classes, lubrication methods, and application characteristics. By evaluating the technical differences and operating performance of each brand, HSN helps customers identify suitable bearing solutions for industrial purchasing, equipment upgrades, brand replacement, and new machinery projects.
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