A sheet discharging device that includes: a discharge roller that discharges a transported sheet to outside the sheet discharging device, the discharge roller being integrally formed with a flexible rotating shaft; first and second bearing members that rotatably hold one end side and another end side of the rotating shaft, respectively; a nipping member that nips the transported sheet in cooperation with the discharge roller, the nipping member being opposed to a peripheral surface of the discharge roller; and an abutment member abutting against one of the rotating shaft and the nipping member between the first bearing member and the second bearing member to curve the rotating shaft.