轴承代号: NACHI LM12749/LM12710 - 英制圆锥滚子轴承
轴承尺寸
d = 22
D = 45.237
B = 16.637
T = 15.494
C = 12.065
a = 5.4
da(min) = 27.5
db(max) = 26
Da(min) = 39.5
Db(min) = 42.5
r1(min) = 1.3
r2(min) = 1.3
Mass(Cone) = LM12749
Mass(Cup) = LM12710
额定动负荷: 28700
额定静负荷: 33000
极限转速（润滑脂润滑）: 8500
极限转速（油润滑） 11000
