Aerospace series - Bearings, airframe rolling - Rigid single row ball bearings in corrosion resisting steel - Diameter series 8 and 9, reduced internal radial clearance - Dimensions and loads; German and English version EN 4033:2007
航空航天系列.机身滚动轴承.耐腐蚀钢制刚性单列滚珠轴承.减小内部径向间隙的直径系列8和9.尺寸和载荷;德语和英语版本EN 4033:2007