A sheet feeder including a motor, a shaft configured to be driven to rotate by a driving force from the motor, the shaft being spaced apart from the motor in an axial direction of the shaft, the shaft being disposed to overlap in a view in the axial direction of the shaft, and a roller supported by the shaft and rotatable along with the shaft, the roller being configured to convey the sheet downstream in a sheet conveyance direction along a sheet conveyance path.