轴承代号: NACHI 6280/6220 - 英制圆锥滚子轴承
轴承尺寸
d = 53.975
D = 127
B = 52.388
T = 50.8
C = 41.275
a = 19.5
da(min) = 74
db(max) = 67
Da(min) = 108
Db(min) = 117
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 6280
Mass(Cup) = 6220
额定动负荷: 241000
额定静负荷: 300000
极限转速（润滑脂润滑）: 3100
极限转速（油润滑） 4300
