Novel device for disassembling bearing

The utility model relates to the technical field of bearings, and particularly discloses a novel bearing dismounting device which comprises a hammer swing rod and a chuck head, a sleeve is fixedly installed outside the chuck head, the hammer swing rod and the sleeve are both provided with through holes, a limiting rod is installed inside the through holes in an embedded mode, and a blocking piece is fixedly installed outside the hammer swing rod. A hammer body is embedded in the middle of the hammer swing rod, a hammer swing hole is formed in the middle of the hammer body, and a fixing frame is fixedly installed on the surface of the top of the hammer body. According to the technical scheme, the chuck head is connected with the bearing to be disassembled in the embedded mode, the swing handle is used for transversely pushing the hammer body to move towards the direction of the blocking piece, the chuck head brings inertia force to the bearing when the hammer body hammers the blocking piece, and the whole devi