轴承代号: NACHI E30210J - 公制圆锥滚子轴承
轴承尺寸
d = 50
D = 90
B = 20
T = 21.75
C = 17
a = 1.9
da(min) = 57
db(max) = 56.5
Da(min) = 78
Db(min) = 85
S1(min) = 3
S2(min) = 4.5
Cone ra(max) = 1.5
Cup ra(max) = 1.5
Mass = 0.53
额定动负荷: 79000
额定静负荷: 96000
极限转速（润滑脂润滑）: 4100
极限转速（油润滑） 5500
