Sliding apparatus and refrigerator having the same

PURPOSE: A sliding device and a refrigerator including the same are provided to prevent the distortion of a storage unit and to reduce friction noise generated by the storage unit. CONSTITUTION: A refrigerator comprises a main body (10), a plurality of storage rooms, a storage unit (40), a cover rail (110), a slide unit (120), a connecting bar (130), and a reinforcement frame (140). A rack gear (111) is arranged at a front end unit of the cover rail. A surface unit (113) in which the rack gear is removed is arranged at a back end unit. The slide unit is moved at the back end unit of the cover rail. The storage unit includes a pinion gear (126). The connecting bar prevents the movement of the storage unit by being arranged between the pinion gears. The reinforcement frame is arranged between the sliding units in order to prevent the distortion of the storage unit.