Aerospace - Bearings-airframe rolling, single row self aligning roller bearings in corrosion resisting steel; diameter series 3 and 4 - Dimensions and loads; inactive for new design; German version EN 2020:1984
航空航天.轴承.耐腐蚀钢制机身滚动单列调心滚子轴承;直径系列3和4——尺寸和荷载;对新设计不感兴趣;德语版EN 2020:1984