轴承代号: NACHI 12580/12520 - 英制圆锥滚子轴承
轴承尺寸
d = 20.638
D = 49.225
B = 19.845
T = 19.845
C = 15.875
a = 7.1
da(min) = 28.5
db(max) = 26
Da(min) = 42.5
Db(min) = 45.5
r1(min) = 1.5
r2(min) = 1.5
Mass(Cone) = 12580
Mass(Cup) = 12520
额定动负荷: 36000
额定静负荷: 37000
极限转速（润滑脂润滑）: 8000
极限转速（油润滑） 11000
