— GLOBAL BESTSELLER BEARINGS
Cylindical Roller
Bearings
Cylindrical roller bearings consist of an inner ring, an outer ring, cylindrical bearing rollers, and a cage assembly. Their line contact design provides high radial load capacity, low friction, and excellent running accuracy. Depending on the internal design, they also accommodate axial displacement, making them suitable for high-speed and heavy-duty industrial applications.
High Load Capacity
Axial Displacement
Low Friction
High Stiffness
Separable Design
Long Service Life
Advantages
- Carry extremely high radial loads with excellent running stability.
- Operate efficiently at high speeds with reduced rolling friction.
- Provide high rigidity for precision shafts and rotating equipment.
- Accommodate axial displacement in selected bearing designs.
- Available in multiple configurations for diverse industrial applications.
- Deliver long service life with proper lubrication and maintenance.
Classification of Cylindrical Roller Bearings
Single Row
Single row cylindrical roller bearings consist of one row of cylindrical bearing rollers, an inner ring, an outer ring, and a cage assembly. Different internal designs, including NU, NJ, NUP, N, and NF, accommodate radial loads while supporting fixed or floating shaft arrangements. They are widely used in electric motors, pumps, gearboxes, compressors, and machine tools.
Double Row
Double row cylindrical roller bearings feature two rows of cylindrical bearing rollers, an inner ring, an outer ring, and a cage assembly. Compared with single row designs, they provide higher radial load capacity, greater rigidity, and improved running accuracy. They are commonly used in machine tool spindles, precision gearboxes, rolling mills, and heavy industrial equipment.
Four Row
Four row cylindrical roller bearings incorporate four rows of cylindrical rollers, an inner ring, an outer ring, and cage assemblies to maximize radial load capacity and rigidity. They provide excellent running accuracy and high load-carrying performance, making them widely used in rolling mills, steel processing equipment, and other heavy-duty industrial machinery operating under extremely high radial loads.
Full Complement
Full complement cylindrical roller bearings contain the maximum number of cylindrical bearing rollers without using a cage, significantly increasing radial load capacity within limited installation space. They are designed for heavy-load, low-speed applications and are widely used in cranes, mining machinery, industrial gearboxes, material handling systems, and other demanding operating environments.
Bearing Range & Customization Capabilities
HSN supplies standard and customized cylindrical roller bearings with bore diameters from 15 mm to over 1600 mm, including single row, double row, and four row designs. Our product range covers N, NU, NJ, NUP, NNU, SLand FCD series for a wide range of industrial applications. In addition, HSN supports customized solutions for heavy radial loads, high-speed operation, harsh environments, and non-standard replacement requirements.
| series | Bore Diameter Range |
|---|---|
| N/NU | 15 mm – 1060 mm |
| NJ/NF | 20 mm – 1000 mm |
| NUP/NJP/NFP | 20 mm – 500 mm |
| NN/NNU | 30 mm – 1250 mm |
| SL | 40 mm – 500 mm |
| FC/FCD | 90 mm – 1500 mm |
| FCDP | 150 mm – 1600 mm |
Specifications of Cylindrical Roller Bearings
Application Industries
Cylindrical roller bearings provide high radial load capacity, excellent rigidity, and reliable performance at high operating speeds. Selected designs also accommodate axial displacement caused by thermal expansion, helping improve shaft stability and running accuracy. Therefore, they are widely used in electric motors, industrial gearboxes, machine tools, rolling mills, wind turbines, and railway equipment, where reliable operation, precise shaft guidance, and continuous performance are essential.
Interchangeable Brands
HSN reviews the product ranges and technical features of leading global cylindrical roller bearing brands, including SKF, FAG, NSK, NTN, KOYO, and Timken, and compares them across key aspects such as internal design, dimensional standards, precision classes, cage configurations, lubrication methods, and typical applications. By analyzing the performance characteristics and key product parameters of each brand, HSN helps customers better understand technical differences and supports more informed decisions in industrial purchasing, equipment maintenance, brand replacement, and bearing selection.
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