The NJ cylindrical roller bearing has two ribs on the outer ring and one rib on the inner ring. The inner ring of the NJ bearing has a rib on one side and can be separated from the bearing assembly on one side. The design is capable of withstanding limited axial loads in a single direction.
The NJ bearings are widely used in machine tools, turbines and industrial fans where a certain amount of axial load is required.
| Inquiry | Designation | Principal Dimensions(mm) | Basic Load Ratings(KN) | Limited Speed(rpm) | Weight | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | rs min | rs1min | Dynamic(Cr) | Static(Cor) | Grease | Oil | (kg) | |||
| NJ2222 | 110 | 200 | 53 | 2.1 | 2.1 | 320 | 415 | 3100 | 3700 | 6.56 | ||
| NJ2222E | 110 | 200 | 53 | 2.1 | 2.1 | 385 | 515 | 2800 | 3300 | 7.4 | ||
| NJ2224 | 120 | 215 | 58 | 2.1 | 2.1 | 350 | 460 | 2900 | 3400 | 8.19 | ||
| NJ2224E | 120 | 215 | 58 | 2.1 | 2.1 | 450 | 620 | 2600 | 3000 | 9.18 | ||
| NJ2226 | 130 | 230 | 64 | 3 | 3 | 380 | 530 | 2600 | 3100 | 10.2 | ||
| NJ2226E | 130 | 230 | 64 | 3 | 3 | 530 | 735 | 2300 | 2700 | 11.8 | ||
| NJ2228 | 140 | 250 | 68 | 3 | 3 | 445 | 635 | 2400 | 2800 | 12.9 | ||
| NJ2228E | 140 | 250 | 68 | 3 | 3 | 575 | 835 | 2100 | 2500 | 15.8 | ||
| NJ2230 | 150 | 270 | 73 | 3 | 3 | 500 | 710 | 2200 | 2600 | 16.3 | ||
| NJ2230E | 150 | 270 | 73 | 3 | 3 | 660 | 980 | 2000 | 2400 | 19.7 | ||
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