轴承代号: NACHI 30244 - 公制圆锥滚子轴承
轴承尺寸
d = 220
D = 400
B = 65
T = 72
C = 54
a = -9.9
da(min) = 238
db(max) = 256
Da(min) = 344
Db(min) = 374
S1(min) = 9
S2(min) = 12
Cone ra(max) = 4
Cup ra(max) = 3
Mass = 34.7
额定动负荷: 825000
额定静负荷: 1240000
极限转速（润滑脂润滑）: 850
极限转速（油润滑） 1200
