轴承代号: NACHI 639/633 - 英制圆锥滚子轴承
轴承尺寸
d = 63.5
D = 130.175
B = 41.275
T = 41.275
C = 31.75
a = 11.2
da(min) = 81
db(max) = 74
Da(min) = 116
Db(min) = 124
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 639
Mass(Cup) = 633
额定动负荷: 183000
额定静负荷: 246000
极限转速（润滑脂润滑）: 2800
极限转速（油润滑） 3800
