轴承代号: NACHI 30221 - 公制圆锥滚子轴承
轴承尺寸
d = 105
D = 190
B = 36
T = 39
C = 30
a = 2
da(min) = 117
db(max) = 120
Da(min) = 163
Db(min) = 178
S1(min) = 6
S2(min) = 9
Cone ra(max) = 2.5
Cup ra(max) = 2
Mass = 4.15
额定动负荷: 247000
额定静负荷: 310000
极限转速（润滑脂润滑）: 1900
极限转速（油润滑） 2600
