轴承代号: NACHI HM212049/HM212011 - 英制圆锥滚子轴承
轴承尺寸
d = 66.675
D = 122.238
B = 38.354
T = 38.1
C = 29.718
a = 10.8
da(min) = 82
db(max) = 75.5
Da(min) = 108
Db(min) = 116
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = HM212049
Mass(Cup) = HM212011
额定动负荷: 191000
额定静负荷: 249000
极限转速（润滑脂润滑）: 2700
极限转速（油润滑） 3800
