High power bearing puller, select the matching expansion plug sleeve, plug rod, and bearing sleeve frame according to the bearing model and specifications (applicable steel grades are available on the mold surface). First, insert the plug rod into the plug sleeve, gently push the inner ring of the bearing (the expansion plug sleeve is engraved with an indicator line), then tighten the guide roller cap, install the bearing sleeve frame and pull rod, and use the power of the screw thrust machine or oil cylinder to operate back and forth to disassemble.