基本代号 | 基本尺寸 (mm) | 额定载荷 (N) | ||
d | D | B | Cr | |
N1944 | 220 | 300 | 38 | 266000 | N1044 | 220 | 340 | 56 | 511000 |
N1948 | 240 | 320 | 38 | 286000 | N1048 | 240 | 360 | 56 | 541000 |
N1952 | 260 | 360 | 46 | 432000 | N1052 | 260 | 400 | 65 | 656000 |
N1956 | 280 | 380 | 46 | 441500 | N1056 | 280 | 420 | 65 | 682000 |
N1960 | 300 | 420 | 56 | 612000 | N1964 | 320 | 440 | 56 | 622000 |
N1968 | 340 | 460 | 56 | 657000 | N1972 | 360 | 480 | 56 | 657000 |