Bearing dismounting tool

The utility model discloses a bearing dismounting tool, it includes the lead screw base, processing has at least two screw holes on the lead screw base, it has at least two no. Two screw holes also to process on the convex cardboard, the lead screw constitutes threaded connection with no. Two screw holes of a threaded holes and simultaneously, processing has half circular clamping groove on the convex cardboard, half circular clamping groove cooperatees with the main shaft of installation bearing, the upper surface of convex cardboard and the contact of the lower extreme facial features of bearing, the jack is provided with between the lower terminal surface of top and the lead screw base of main shaft. This bearing dismounting tool can get off the bearing by convenient and fast from epaxial dismantlement, this dismouting device simple structure makes the convenience in addition, and it is convenient to use, can increase substantially the dismouting efficiency of bearing.