Machined needle roller bearing
Details
| Shaft diameter | Boundary dimensions(mm) |
Basic static load ratings Cor(N) |
Basic dynamic load ratings Cr(N) |
Limiting speeds（rpm） | Part Number | ||
| Fw | D | C | Oil | ||||
| 14 | 14 | 22 | 13 | 5800 | 4900 | 21600 | RNA4900 |
| 16 | 16 | 24 | 13 | 6700 | 5300 | 20700 | RNA4901 |
| 20 | 20 | 28 | 13 | 8600 | 6100 | 18000 | RNA4902 |
| 22 | 22 | 30 | 13 | 9100 | 6200 | 16000 | RNA4903 |
| 25 | 25 | 37 | 17 | 13800 | 8300 | 14400 | RNA4904 |
| 30 | 30 | 42 | 17 | 17700 | 12000 | 12400 | RNA4905 |
| 35 | 35 | 47 | 17 | 24100 | 13300 | 10800 | RNA4906 |
| 40 | 40 | 52 | 20 | 48600 | 28800 | 9500 | RNA49/32 |
| 42 | 42 | 55 | 20 | 37900 | 19900 | 9100 | RNA4907 |
| 48 | 48 | 62 | 22 | 51600 | 24200 | 8000 | RNA4908 |
| 52 | 52 | 68 | 22 | 74700 | 42300 | 7600 | RNA4909 |
| 58 | 58 | 72 | 22 | 65900 | 35300 | 6600 | RNA4910 |