轴承代号: NACHI E30311J - 公制圆锥滚子轴承
轴承尺寸
d = 55
D = 120
B = 29
T = 31.5
C = 25
a = 6.5
da(min) = 65
db(max) = 67
Da(min) = 103
Db(min) = 111
S1(min) = 4
S2(min) = 7
Cone ra(max) = 2
Cup ra(max) = 2
Mass = 1.56
额定动负荷: 148000
额定静负荷: 170000
极限转速（润滑脂润滑）: 3300
极限转速（油润滑） 4400
