| Customization: | Available |
|---|---|
| Vibration: | Zv1 Zv2 Zv3 |
| Hardness: | HRC60--62 |
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UJK Cylindrical Roller Bearings are precision-engineered components designed to accommodate high radial loads and moderate speeds. They feature cylindrical rollers in linear contact with the raceways, providing high rigidity, load capacity, and resistance to shock loads. With various internal designs (single-row, double-row, and full-complement types), UJK cylindrical roller bearings are ideal for applications requiring heavy load handling and high reliability.
These bearings are manufactured with premium bearing steel, optimized roller profiles, and advanced cage designs (brass, steel, or polyamide), ensuring minimal friction, extended bearing life, and superior performance in harsh working environments.
High radial load capacity with low friction
High stiffness and excellent running accuracy
Available in single-row, double-row, and full-complement designs
Multiple cage options (brass, steel, or polyamide)
Cylindrical bore or tapered bore (K suffix) options
Suitable for high-speed and high-load applications
UJK cylindrical roller bearings are used across industries requiring high load and speed performance, including:
Industrial Gearboxes
Electric Motors and Generators
Pumps and Compressors
Machine Tool Spindles
Mining and Construction Equipment
Railway Axles and Traction Motors
Material Handling and Paper Machinery
Agricultural and Wind Power Applications
| Series Code | Rows | Features & Designation | Example Models |
|---|---|---|---|
| N Series | Single | Inner ring with two ribs, outer ring without ribs - allows axial displacement | N204, N311, N421 |
| NJ Series | Single | Inner ring with two ribs, outer ring with one rib - supports limited axial load | NJ205, NJ310, NJ2320 |
| NU Series | Single | Outer ring with two ribs, inner ring without ribs - axial displacement allowed | NU206, NU319, NU2340 |
| NUP Series | Single | Combination of fixed and free end functions - supports axial loads both ways | NUP207, NUP312, NUP2316 |
| NF Series | Single | Inner ring with one rib, outer ring with two ribs - supports axial load one direction | NF206, NF309, NF2216 |
| NN Series | Double | High rigidity and radial load, used in precision spindles | NN3010, NN3024, NN3036 |
| NNU Series | Double | Wider outer ring, used in heavy-duty applications | NNU4920, NNU4938, NNU4960 |
| SL Series | Full Complement | Without cage, maximum number of rollers - ideal for low speed, high load | SL183005, SL185008 |
| FC/ FCD Series | Four-row | Extra high load capacity, used in rolling mills | FC3242110, FCD5672240 |
Most series are available in both cylindrical bore and tapered bore (K). Suffixes like E (reinforced design), M/C3 (cage type or clearance), W33 (lubrication grooves) can be added.
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