A head support unit includes a head used to record information in or reproduce the information from the recording medium, a suspension that supports the head, and a lift tab that is connected to the suspension, and slides on a sliding surface of a ramp loading unit which holds the head outside the recording medium in loading the head onto the recording medium and in unloading the head from the recording medium, wherein the lift tab inclines from a connection part with the suspension relative to a surface of the recording medium, and a contact position between the lift tab and the sliding surface moves on the lift tab as the suspension moves.