Bearings, airframe rolling, single row, self aligning roller bearings in corrosion resisting steel, diameter series 3 and 4 - Dimensions and loads - Aerospace series
This standard specifies the characteristics, of rigid single row ball bearings of diameter series 3 and 4 designed to withstand only slow rotations and oscillations under load. They are intended for use between fixed and moving parts of the aircraft structure and their control mechanisms.