轴承代号: NACHI 6454/6420 - 英制圆锥滚子轴承
轴承尺寸
d = 69.85
D = 149.225
B = 54.229
T = 53.975
C = 44.45
a = 15.1
da(min) = 94
db(max) = 85
Da(min) = 129
Db(min) = 140
r1(min) = 5
r2(min) = 3.3
Mass(Cone) = 6454
Mass(Cup) = 6420
额定动负荷: 284000
额定静负荷: 410000
极限转速（润滑脂润滑）: 2500
极限转速（油润滑） 3400
