Needle Roller Bearings
RNA...RS RNA...2RS NK...RS NK...2RS NA...RS NA...2RS NKI...RS NKI...2RS
Quantity:
| Shaft Diameter | Bearing Designation | Mass Approx | BoundaryDimensions | BasicLoadRating | Limiting Speed | ||||||
| Current Code | Original Code | d | Fw F | D | C | B | Dynamic | Static | Oil | ||
| mm | g | mm | N | rpm | |||||||
| without IR | |||||||||||
| 14 | RNA4900RS | RNA4900-2RS | 16 | 14 | 22 | 13 | 4560 | 4660 | 13000 | ||
| 16 | RNA4901RS | RNA4901-2RS | 18 | 16 | 24 | 13 | 4950 | 5800 | 12000 | ||
| 20 | RNA4902RS | RNA4902-2RS | 21.5 | 20 | 28 | 13 | 5980 | 9500 | 10000 | ||
| 22 | RNA4903RS | RNA4903-2RS | 23 | 22 | 30 | 13 | 6050 | 10100 | 9000 | ||
| 25 | RNA4904RS | RNA4904-2RS | 56 | 25 | 37 | 17 | 14900 | 17500 | 7500 | ||
| 30 | RNA4905RS | RNA4905-2RS | 60 | 30 | 42 | 17 | 16300 | 21500 | 6500 | ||
| 35 | RNA4906RS | RNA4906-2RS | 69 | 35 | 47 | 17 | 20050 | 24900 | 5500 | ||
| 42 | RNA4907RS | RNA4907-2RS | 107 | 42 | 55 | 20 | 22500 | 37000 | 4800 | ||
| 48 | RNA4908RS | RNA4908-2RS | 154 | 48 | 62 | 22 | 33050 | 50900 | 4200 | ||
| 52 | RNA4909RS | RNA4909-2RS | 157 | 52 | 68 | 22 | 34800 | 56800 | 3900 | ||
| 58 | RNA4910RS | RNA4910-2RS | 160 | 58 | 72 | 22 | 37800 | 61500 | 3500 | ||
| with IR | |||||||||||
| 10 | NA4900RS | NA4900-2RS | 24.5 | 10 | 14 | 22 | 13 | 14 | 4560 | 4660 | 13000 |
| 12 | NA4901RS | NA4901-2RS | 27.5 | 12 | 16 | 24 | 13 | 14 | 4950 | 5800 | 12000 |
| 15 | NA4902RS | NA4902-2RS | 37 | 15 | 20 | 28 | 13 | 14 | 5980 | 9500 | 10000 |
| 17 | NA4903RS | NA4903-2RS | 40 | 17 | 22 | 30 | 13 | 14 | 6050 | 10100 | 9000 |
| 20 | NA4904RS | NA4904-2RS | 80 | 20 | 25 | 37 | 17 | 18 | 14900 | 17500 | 7500 |
| 25 | NA4905RS | NA4905-2RS | 89.5 | 25 | 30 | 42 | 17 | 18 | 16300 | 21500 | 6500 |
| 30 | NA4906RS | NA4906-2RS | 104 | 30 | 35 | 47 | 17 | 18 | 20050 | 24900 | 5500 |
| 35 | NA4907RS | NA4907-2RS | 175 | 35 | 42 | 55 | 20 | 21 | 22500 | 37000 | 4800 |
| 40 | NA4908RS | NA4908-2RS | 252 | 40 | 48 | 62 | 22 | 23 | 33050 | 50900 | 4200 |
| 45 | NA4909RS | NA4909-2RS | 290 | 45 | 52 | 68 | 22 | 23 | 34800 | 56800 | 3900 |
| 50 | NA4910RS | NA4910-2RS | 295 | 50 | 58 | 72 | 22 | 23 | 37800 | 61500 | 3500 |
| 55 | NA4911RS | NA4911-2RS | 55 | 80 | 24 | 25 | |||||
| 60 | NA4912RS | NA4912-2RS | 60 | 85 | 25 | 26 | |||||
| 70 | NA4914RS | NA4914-2RS | 70 | 100 | 31 | 32 | |||||
| 69 Series | |||||||||||
| 12 | NA6901-2RS | RNA6901-2RS | 12 | 16 | 24 | 22 | 23 | ||||
| 17 | NA6903-2RS | RNA6903-2RS | 17 | 22 | 30 | 23 | 24 | ||||
| 20 | NA6904-2RS | RNA6904-2RS | 20 | 25 | 37 | 30 | 31 | ||||
| 25 | NA6905-2RS | RNA6905-2RS | 25 | 30 | 42 | 30 | 31 | ||||
| 40 | NA6908-2RS | RNA6908-2RS | 40 | 48 | 62 | 40 | 41 | ||||