轴承代号: NACHI HM212047/HM212011 - 英制圆锥滚子轴承
轴承尺寸
d = 63.5
D = 122.238
B = 38.354
T = 38.1
C = 29.718
a = 10.9
da(min) = 87
db(max) = 73
Da(min) = 108
Db(min) = 116
r1(min) = 7
r2(min) = 3.3
Mass(Cone) = HM212047
Mass(Cup) = HM212011
额定动负荷: 187000
额定静负荷: 243000
极限转速（润滑脂润滑）: 3000
极限转速（油润滑） 4100
