轴承代号: NACHI 30228 - 公制圆锥滚子轴承
轴承尺寸
d = 140
D = 250
B = 42
T = 45.75
C = 36
a = -1.25
da(min) = 154
db(max) = 157
Da(min) = 215
Db(min) = 237
S1(min) = 10
S2(min) = 12
Cone ra(max) = 3
Cup ra(max) = 2.5
Mass = 5.2
额定动负荷: 370000
额定静负荷: 490000
极限转速（润滑脂润滑）: 1400
极限转速（油润滑） 1900
