DS EN 3289:1994 Aerospace Series - Bearings, Airframe Rolling - Double Row Self-Aligning Ball Bearings In Corrosion Resisting Steel - Diameter Series 2 - Dimensions And Loads Defines the characteristics of double row self-aligning ball bearings in corrosion resisting steel of diameter series 2 designed to withstand only slow rotations, oscillations and/or swivelling under