Dismantling device of transverse cutting straightening machine needle roller bearing

The utility model relates to a dismantling device of a transverse cutting straightening machine needle roller bearing. The dismantling device comprises a handle and a plunger chip, and the handle and the plunger chip are integrated. The dismantling device is characterized in that the handle is an iron handle, diameter of the iron handle is 48-50 millimeters and length of the iron handle is no less than 130 millimeters, the plunger chip is arranged at one end of the iron handle, diameter of the plunger chip is 40 millimeters, the length of the plunger chip is 56-60 millimeters, the iron handle and the plunger chip are located on one axis, a limiting table is arranged between the iron handle and the plunger chip. The dismantling device enables the stress of external diameter of the needle roller bearing is even, and the needle roller bearing is not easy to damage, fit clearance of the needle roller bearing and a working roller is ensured, and accuracy of a complete set of straightening roller is improved.