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) | |||
| NJ222 | 110 | 200 | 38 | 2.1 | 2.1 | 240 | 290 | 3400 | 4000 | 4.63 | ||
| NJ224 | 120 | 215 | 40 | 2.1 | 2.1 | 260 | 320 | 3200 | 3700 | 5.57 | ||
| NJ226 | 130 | 230 | 40 | 3 | 3 | 270 | 340 | 2900 | 3400 | 6.3 | ||
| NJ226E | 130 | 230 | 40 | 3 | 3 | 365 | 455 | 2600 | 3100 | 6.9 | ||
| NJ228 | 140 | 250 | 42 | 3 | 3 | 310 | 400 | 2700 | 3100 | 7.88 | ||
| NJ228E | 140 | 250 | 42 | 3 | 3 | 395 | 515 | 2400 | 2800 | 8.73 | ||
| NJ230 | 150 | 270 | 45 | 3 | 3 | 345 | 435 | 2500 | 2900 | 9.92 | ||
| NJ230E | 150 | 270 | 45 | 3 | 3 | 450 | 595 | 2200 | 2600 | 11 | ||
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