轴承代号: NACHI 555/553X - 英制圆锥滚子轴承
轴承尺寸
d = 50.8
D = 122.238
B = 36.678
T = 38.1
C = 30.162
a = 9.4
da(min) = 66
db(max) = 62
Da(min) = 108
Db(min) = 115
r1(min) = 2.3
r2(min) = 3.3
Mass(Cone) = 555
Mass(Cup) = 553X
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
