— GLOBAL BESTSELLER BEARINGS
Super-Precision
Bearings
Super-precision bearings consist of precision-machined rings, rolling elements, cages, and optimized internal designs to achieve high rotational accuracy and reliable performance. They provide low friction, reduced vibration, high speed capability, and excellent rigidity. Therefore, these bearings are widely used in machine tools, automation systems, aerospace equipment, and other industries requiring accurate and stable operation.
Stable Operation
High Speed Capability
Low Vibration
Low Friction
High Rigidity
Long Service Life
Advantages
- Maintain precise rotation through optimized bearing manufacturing processes.
- Reduce friction losses through optimized internal bearing designs.
- Support higher operating speeds with advanced precision structures.
- Minimize vibration through accurate component manufacturing and assembly.
- Provide stable support under demanding precision operating conditions.
- Improve durability through precision materials and optimized designs.
Classification of Super-Precision Bearings
Super-Precision Angular Contact Ball Bearings
Super-precision angular contact ball bearings feature high-accuracy raceways, optimized contact angles, and precision components to provide high rigidity, low friction, and excellent rotational accuracy. Furthermore, they support combined radial and axial loads and are widely used in machine tools, spindle systems, automation equipment, and high-speed precision applications.
Super-Precision Cylindrical Roller Bearings
Super-precision cylindrical roller bearings use optimized roller geometry and internal designs to provide high rigidity and load capacity. Therefore, they are suitable for applications requiring accurate positioning, stable operation, and high-speed performance, including machine tools, industrial equipment, and precision drive systems.
Axial Angular Contact Ball Bearings
Axial angular contact ball bearings are designed to support axial loads with high accuracy and rigidity. Moreover, they provide stable positioning performance and low friction characteristics for precision applications requiring controlled axial movement, such as machine tools, rotary tables, and advanced industrial systems.
Axial-Radial Cylindrical Roller Bearings
Axial-radial cylindrical roller bearings combine axial and radial load support with high rigidity and precision. In addition, they provide stable positioning and excellent running accuracy for applications requiring combined load capability, such as rotary tables, indexing systems, and precision machinery.
Bearing Range & Customization Capabilities
HSN supplies standard and customized super-precision bearings with bore diameters from 10 mm to over 1000 mm, covering angular contact ball bearings, cylindrical roller bearings, axial angular contact ball bearings, and axial-radial cylindrical roller bearings. Our products provide high accuracy, low friction, and stable performance for precision applications. In addition, HSN supports customized solutions for special operating requirements.
| series | Bore Diameter Range |
|---|---|
| B/HCB Series | 10 mm – 120 mm |
| 70/719 Series | 10 mm – 120 mm |
| NNU Series | 20 mm – 500 mm |
| NN Series | 20 mm – 500 mm |
| 23 Series | 20 mm – 280 mm |
| RTB/RTC Series | 50 mm – 300 mm |
Specifications of Super-Precision Bearings
Application Industries
Super-precision bearings are designed for industries requiring high accuracy, low vibration, high-speed capability, and reliable rotational performance. Their optimized internal geometry and manufacturing precision provide stable operation under demanding conditions. Therefore, these bearings are widely used in machine tools, automation, aerospace, semiconductor, medical equipment, robotics, electric motors, precision instruments, and advanced industrial applications where accurate positioning and consistent performance are essential.
Interchangeable Brands
HSN reviews the product portfolios and technical features of leading global super-precision bearing brands, including SKF, FAG, NTN, NSK, KOYO, and Timken. Key comparisons cover bearing structures, dimensional standards, precision classes, preload options, internal clearance, cage designs, lubrication methods, speed capability, and application characteristics. By analyzing technical specifications and performance differences between brands, HSN helps customers select suitable bearing solutions for industrial purchasing, equipment replacement, brand substitution, and precision application requirements.
Large Stock Available
Send Your Inquiry Today!
Tell us your bearing requirements — part numbers, quantities, drawings, or application details. Our team will respond quickly with a competitive quote.