轴承代号: NACHI 78250/78551 - 英制圆锥滚子轴承
轴承尺寸
d = 63.5
D = 140.03
B = 33.236
T = 36.512
C = 23.52
a = -8
da(min) = 85
db(max) = 78.9
Da(min) = 117
Db(min) = 132
r1(min) = 2.3
r2(min) = 2.3
Mass(Cone) = 78250
Mass(Cup) = 78551
额定动负荷: 145000
额定静负荷: 172000
极限转速（润滑脂润滑）: 2500
极限转速（油润滑） 3500
