DIN EN 2018:1995-10 航空航天 - 轴承 - 机身滚动、钢制单列自动调心滚子轴承;直径系列 3 和 4 - 尺寸和载荷;对于新设计无效
Aerospace - Bearings-airframe rolling, single row self aligning roller bearings in steel; diameter series 3 and 4 - Dimensions and loads; inactive for new design; German version EN 2018:1984