详细信息
轴承代号: NACHI 7304 - 单列角接触球轴承
轴承尺寸
d = 20D = 52
B = 15
a = 2.9
da1(min) = 27
da2(min) = 25
Da1(max) = 45
Da2(max) = 47
ra(max) = 1
ra1(max) = 0.6
Mass = 0.15
额定动负荷: 18700
额定静负荷: 10400
极限转速（润滑脂润滑）: 13000
极限转速（油润滑）: 17000
