轴承代号: NACHI 47487R/47420DM - 英制圆锥滚子轴承
轴承尺寸
d = 69.85
D = 120
B = 32.545
T = 32.545
C = 26.195
a = 6
da(min) = 84
db(max) = 78
Da(min) = 107
Db(min) = 114
r1(min) = 3.6
r2(min) = 0.5
Mass(Cone) = 47487R
Mass(Cup) = 47420DM
额定动负荷: 150000
额定静负荷: 218000
极限转速（润滑脂润滑）: 2600
极限转速（油润滑） 3700
