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) | |||
| NJ321 | 105 | 225 | 49 | 3 | 3 | 320 | 360 | 3100 | 3700 | 8.53 | ||
| NJ322 | 110 | 240 | 50 | 3 | 3 | 360 | 400 | 3000 | 3500 | 10 | ||
| NJ322E | 110 | 240 | 50 | 3 | 3 | 450 | 525 | 2700 | 3100 | 11.1 | ||
| NJ324 | 120 | 260 | 55 | 3 | 3 | 450 | 510 | 2700 | 3200 | 12.8 | ||
| NJ324E | 120 | 260 | 55 | 3 | 3 | 530 | 610 | 2400 | 2800 | 13.9 | ||
| NJ326 | 130 | 280 | 58 | 4 | 4 | 560 | 665 | 2500 | 2900 | 17.4 | ||
| NJ326E | 130 | 280 | 58 | 4 | 4 | 615 | 735 | 2200 | 2600 | 19.4 | ||
| NJ328 | 140 | 300 | 62 | 4 | 4 | 615 | 745 | 2300 | 2700 | 21.2 | ||
| NJ328E | 140 | 300 | 62 | 4 | 4 | 665 | 795 | 2100 | 2400 | 23.2 | ||
| NJ330 | 150 | 320 | 65 | 4 | 4 | 665 | 805 | 2100 | 2500 | 25.3 | ||
| NJ330E | 150 | 320 | 65 | 4 | 4 | 760 | 920 | 1900 | 2300 | 28.4 | ||
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