详细信息
轴承代号: NACHI 7228B - 单列角接触球轴承
轴承尺寸
d = 140D = 250
B = 42
a = 60.8
da1(min) = 154
da2(min) = 147
Da1(max) = 236
Da2(max) = 243
ra(max) = 2.5
ra1(max) = 1
Mass = 8.78
额定动负荷: 197000
额定静负荷: 214000
极限转速（润滑脂润滑）: 2000
极限转速（油润滑）: 2600
