轴承代号: NACHI 30252 - 公制圆锥滚子轴承
轴承尺寸
d = 260
D = 480
B = 80
T = 89
C = 67
a = -4
da(min) = 282
db(max) = 302
Da(min) = 412
Db(min) = 446
S1(min) = 9
S2(min) = 16
Cone ra(max) = 5
Cup ra(max) = 4
Mass = 62.6
额定动负荷: 1240000
额定静负荷: 1800000
极限转速（润滑脂润滑）: 700
极限转速（油润滑） 950
