详细信息
轴承代号: NACHI 7210BDB - 角接触球轴承(背对背DB)
轴承尺寸
d = 50D = 90
B = 20
a = 19.4
da1(min) = 57
da2(min) = 55
Da1(max) = 83
Da2(max) = 85
ra(max) = 1
ra1(max) = 0.6
Mass = 0.485
额定动负荷: 63000
额定静负荷: 59000
极限转速(润滑脂润滑): 4500
极限转速(油润滑): 6000