轴承代号: NACHI 68450/68712 - 英制圆锥滚子轴承
轴承尺寸
d = 114.3
D = 181
B = 31.75
T = 34.925
C = 25.4
a = -5.5
da(min) = 136
db(max) = 125
Da(min) = 160
Db(min) = 172
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 68450
Mass(Cup) = 68712
额定动负荷: 173000
额定静负荷: 249000
极限转速（润滑脂润滑）: 1900
极限转速（油润滑） 2500
