тяжелая серия
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| Подшипник | d mm | D mm | B mm | Подшипник | d mm | D mm | B mm | |
| NKIS15 | 15 | 35 | 20 | NKIS40 | 40 | 65 | 22 | |
| NKIS17 | 17 | 37 | 20 | NKIS45 | 45 | 72 | 22 | |
| NKIS20 | 20 | 42 | 20 | NKIS50 | 50 | 80 | 28 | |
| NKIS25 | 25 | 47 | 22 | NKIS55 | 55 | 85 | 28 | |
| NKIS30 | 30 | 52 | 22 | NKIS60 | 60 | 90 | 28 | |
| NKIS35 | 35 | 58 | 22 | NKIS65 | 65 | 95 | 28 |