Boundary dimensions(mm) | Basic load ratings(N) | Limiting speeds(rpm) | Mass(g) | (Approx.) | |||||
d | Fw(F) | D | C | B | Cr | Cor | Oil | (Approx.) | |
10 | 14 | 22 | 13 | 14 | 4560 | 4660 | 13000 | 24.5 | NA4900-2RS | 12 | 16 | 24 | 13 | 14 | 5980 | 9500 | 12000 | 27.5 | NA4901-2RS |
15 | 20 | 28 | 13 | 14 | 5980 | 9500 | 10000 | 37 | NA4902-2RS | 17 | 22 | 30 | 13 | 14 | 6050 | 10100 | 9000 | 40 | NA4903-2RS |
20 | 25 | 37 | 17 | 18 | 14900 | 17500 | 7500 | 80 | NA4904-2RS | 25 | 30 | 42 | 17 | 18 | 16300 | 21500 | 6500 | 89.5 | NA4905-2RS |
30 | 35 | 47 | 17 | 18 | 20050 | 24900 | 5500 | 104 | NA4906-2RS | 35 | 42 | 55 | 20 | 21 | 22500 | 37000 | 4800 | 175 | NA4907-2RS |
40 | 48 | 62 | 22 | 23 | 33050 | 50900 | 4200 | 252 | NA4908-2RS | 45 | 52 | 68 | 22 | 23 | 34800 | 56800 | 3900 | 290 | NA4909-2RS |
50 | 58 | 72 | 22 | 23 | 37800 | 61500 | 3500 | 295 | NA4910-2RS |