轴承代号: NACHI 621/612 - 英制圆锥滚子轴承
轴承尺寸
d = 53.975
D = 120.65
B = 41.275
T = 41.275
C = 31.75
a = 26.9
da(min) = 70
db(max) = 63
Da(min) = 105
Db(min) = 110
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 621
Mass(Cup) = 612
额定动负荷: 163000
额定静负荷: 198000
极限转速（润滑脂润滑）: 3300
极限转速（油润滑） 4400
