Description
SKF NK 8/12 TN specification parameter：
| Principal dimensions | Basic load ratmos | Fatigue load limit | Speed ratingsReference Limiting | Mass | Designation | ||||
| dynamic | staticCo | Pu | |||||||
| Fw | D | c | speed | speed | |||||
| mm | kN | kN | r/min | kg | — | ||||
| 5 | 10 | 10 | 2,29 | 2 | 0,212 | 36 000 | 40 000 | 0,0031 | > NK 5/10 TN |
| 10 | 12 | 2,92 | 2,7 | 0,29 | 36 000 | 40 000 | 0,0037 | ► NK 5/12 TN | |
| 6 | 12 | 10 | 2,55 | 2,36 | 0.25 | 34 000 | 38 000 | 0,0047 | ► NK 6/10 TN |
| 12 | 12 | 3,3 | 3,2 | 0.345 | 34 000 | 38 000 | 0,0057 | ► NK 6/12 TN | |
| 7 | 14 | 10 | 2,81 | 2,75 | 0,29 | 32 000 | 36 000 | 0,0069 | NK 7/10 TN |
| 14 | 12 | 3,58 | 3,75 | 0.415 | 32 000 | 36 000 | 0,0082 | NK 7/12 TN | |
| 8 | 15 | 12 | 3.8 | 4,25 | 0.465 | 32 000 | 36 000 | 0,0087 | ► NK 8/12 TN |
| 15 | 16 | 5,01 | 5.85 | 0.67 | 32 000 | 36 000 | 0,012 | » NK 8/16 TN | |
| 9 | 16 | 12 | 4,4 | 5,2 | 0.57 | 30 000 | 34 000 | 0,01 | ► NK 9/12 TN |
| 16 | 16 | 5,72 | 7,2 | 0,815 | 30 000 | 34 000 | 0,013 | NK 9/16 TN | |
| 10 | 17 | 12 | 4,57 | 5.7 | 0.63 | 28 000 | 32 000 | 0,01 | ► NK10/12TN |
| 17 | 16 | 5,94 | 8 | 0.9 | 28 000 | 32 000 | 0,013 | » NK10/16TN | |
| 12 | 19 | 12 | 6.71 | 8.15 | 0,965 | 26 000 | 30 000 | 0,012 | ► NK12/12 |
| 19 | 16 | 9,13 | 12 | 1.43 | 26 000 | 30 000 | 0,016 | ► NK12/16 | |
| 14 | 22 | 13 | 7,37 | 8.15 | 0.965 | — | 12 000 | 0,016 | » RNA4900.2RS |
| 22 | 13 | 8,8 | 10.4 | 1.22 | 24 000 | 28 000 | 0,017 | ► RNA4900 | |
| 22 | 16 | 10.2 | 12,5 | 1.5 | 24 000 | 28 000 | 0,021 | > NK14/16 | |
| 22 | 20 | 12.8 | 16,6 | 2 | 24 000 | 28 000 | 0,026 | ► NK14/20 | |
| 15 | 23 | 16 | 11 | 14 | 1.66 | 24 000 | 26 000 | 0,022 | ► NK15/16 |
| 23 | 20 | 13.8 | 18.3 | 2,2 | 24 000 | 26 000 | 0,027 | > NK 15/20 | |
| 16 | 24 | 13 | 8,09 | 9,65 | 1.14 | — | 11000 | 0,018 | » RNA4901.2RS |
| 24 | 13 | 9,9 | 12.2 | 1.46 | 22 000 | 26 000 | 0,017 | ► RNA4901 | |
| 24 | 16 | 11.7 | 15.3 | 1.8 | 22 000 | 26 000 | 0,022 | > NK16/16 | |
| 24 | 20 | 14,5 | 20 | 2,4 | 22 000 | 26 000 | 0,028 | ► NK 16/20 | |
| 24 | 22 | 16.1 | 23.2 | 2,75 | 22 000 | 26 000 | 0,031 | » RNA6901 | |
| 17 | 25 | 16 | 12.1 | 16,6 | 1.96 | 22 000 | 26 000 | 0,024 | > NK17/16 |
| 25 | 20 | 15,1 | 22 | 2,65 | 22 000 | 26 000 | 0.03 | ► NK 17/20 | |
| 18 | 26 | 16 | 12,8 | 17,6 | 2,12 | 22 000 | 24 000 | 0,025 | ► NK18/16 |
| 26 | 20 | 16,1 | 23,6 | 2,85 | 22 000 | 24 000 | 0,031 | ► NK 18/20 | |
| 19 | 27 | 16 | 13,4 | 19 | 2,28 | 20 000 | 24 000 | 0,026 | ► NK19/16 |
| 27 | 20 | 16,5 | 25,5 | 3,05 | 20 000 | 24 000 | 0,032 | NK 19/20 | |
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