详细信息
轴承代号: NACHI 7228BDT - 角接触球轴承(串联DT)
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: 320000
额定静负荷: 425000
极限转速(润滑脂润滑): 1600
极限转速(油润滑): 2200