轴承代号: NACHI 557S/552A - 英制圆锥滚子轴承
轴承尺寸
d = 53.975
D = 123.825
B = 36.678
T = 38.1
C = 30.162
a = 9.2
da(min) = 71
db(max) = 65
Da(min) = 109
Db(min) = 116
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 557S
Mass(Cup) = 552A
额定动负荷: 149000
额定静负荷: 197000
极限转速（润滑脂润滑）: 3000
极限转速（油润滑） 4100
