轴承代号: NACHI H-2789R/H-2720 - 英制圆锥滚子轴承
轴承尺寸
d = 39.688
D = 76.2
B = 25.654
T = 23.813
C = 19.05
a = 8.1
da(min) = 52
db(max) = 45
Da(min) = 61
Db(min) = 69
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = H-2789R
Mass(Cup) = H-2720
额定动负荷: 74100
额定静负荷: 92200
极限转速（润滑脂润滑）: 4500
极限转速（油润滑） 6300
