轴承代号: NACHI LM603049/LM603012 - 英制圆锥滚子轴承
轴承尺寸
d = 45.242
D = 77.788
B = 19.842
T = 21.43
C = 16.667
a = 2.3
da(min) = 57
db(max) = 50
Da(min) = 71
Db(min) = 74
r1(min) = 3.6
r2(min) = 0.8
Mass(Cone) = LM603049
Mass(Cup) = LM603012
额定动负荷: 57100
额定静负荷: 73500
极限转速（润滑脂润滑）: 4100
极限转速（油润滑） 5700
