详细信息
轴承代号: NACHI 7208BDB - 角接触球轴承(背对背DB)
轴承尺寸
d = 40D = 80
B = 18
a = 16.2
da1(min) = 47
da2(min) = 45
Da1(max) = 73
Da2(max) = 75
ra(max) = 1
ra1(max) = 0.6
Mass = 0.38
额定动负荷: 54000
额定静负荷: 47500
极限转速(润滑脂润滑): 5300
极限转速(油润滑): 7200