轴承代号: NACHI 577/572 - 英制圆锥滚子轴承
轴承尺寸
d = 74.612
D = 139.992
B = 36.098
T = 36.512
C = 28.575
a = 5.3
da(min) = 91
db(max) = 85
Da(min) = 125
Db(min) = 133
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 577
Mass(Cup) = 572
额定动负荷: 171000
额定静负荷: 252000
极限转速（润滑脂润滑）: 2500
极限转速（油润滑） 3400
