轴承代号: NACHI 3490/3420 - 英制圆锥滚子轴承
轴承尺寸
d = 38.1
D = 79.375
B = 29.771
T = 29.37
C = 23.813
a = 8.6
da(min) = 52
db(max) = 45.9
Da(min) = 67
Db(min) = 74
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = 3490
Mass(Cup) = 3420
额定动负荷: 87400
额定静负荷: 105000
极限转速（润滑脂润滑）: 4300
极限转速（油润滑） 6100
