轴承代号: NACHI 661/653 - 英制圆锥滚子轴承
轴承尺寸
d = 79.375
D = 146.05
B = 41.275
T = 41.275
C = 31.75
a = 7.9
da(min) = 96
db(max) = 90
Da(min) = 131
Db(min) = 139
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 661
Mass(Cup) = 653
额定动负荷: 188000
额定静负荷: 260000
极限转速（润滑脂润滑）: 2500
极限转速（油润滑） 3300
