How to remove and install rolling bearings?

Replace the damaged rolling bearings, screw type pull tools can be used to remove, or press the bearing inner sleeve or jacket out. For the pulling or pressing out of the bearing, note that the point of force should be evenly applied to the bearing inner sleeve, and the direction of the force should be parallel to the axial center; It is not allowed to allow the bearing sleeve to move out of the drive shaft in an inclined manner to avoid bearing sleeve pulling the driving shaft working face.