轴承代号: NACHI 30248 - 公制圆锥滚子轴承
轴承尺寸
d = 240
D = 440
B = 72
T = 79
C = 60
a = -6
da(min) = 258
db(max) = 282
Da(min) = 379
Db(min) = 410
S1(min) = 9
S2(min) = 12
Cone ra(max) = 4
Cup ra(max) = 3
Mass = 46.4
额定动负荷: 965000
额定静负荷: 1400000
极限转速（润滑脂润滑）: 750
极限转速（油润滑） 1000
