Special bearing dismounting tool

The utility model discloses a special bearing dismounting tool, and belongs to the technical field of bearing dismounting. Comprising an adapter plate, a jackscrew rod, a jacking column and a clamping jaw. The adapter plate is of a plate-shaped structure with a threaded hole in the center. The jackscrew rod is connected with a central threaded hole of the adapter plate through a bottom thread; the top column is coaxially arranged under the jackscrew rod, a groove is formed in the center of the upper end face of the top column, and the groove makes contact with the lower end of the jackscrew rod. The jack catches comprise inner jack catches and outer jack catches, the outer jack catches are used for being connected with a bearing outer ring, the inner jack catches are used for being connected with a bearing inner ring, the inner jack catches and the outer jack catches are evenly distributed around the adapter plate in a staggered mode in the circumferential direction, each of the inner jack catches and the out