DIN EN 2012:1995-10 航空航天 - 轴承——机身滚动、刚性单列钢球轴承;直径系列 0 和 2 - 尺寸和载荷;对于新设计无效
Aerospace - Bearings-airframe rolling, rigid single row ball bearings in steel; diameter series 0 and 2 - Dimensions and loads; inactive for new design; German version EN 2012:1984