Disclosed is a turret device. The turret device according to one embodiment of the present invention includes an upper turret installed in a vertical opening which penetrates a hull; and a lower turret which is coupled to the bottom of the upper turret and has a lower bearing assembly which supports the hull to allow rotation, wherein a lower bearing is arranged on the outer surface of the lower turret; and an independent sliding pad is coupled to the inner surface of the hull forming the vertical opening, and slidably contacts the lower bearing in the shape of a plate.