The removal of the imported bearing should be carried out as carefully as the installation. Be careful not to damage the imported bearings and various parts, especially the disassembly of the imported bearings with interference fit, which is difficult to operate. Therefore, in the design stage, it is necessary to consider the ease of disassembly in advance, and it is also very important to design and manufacture disassembly tools as needed. When disassembling, study the disassembly method and sequence according to the drawings, and investigate the matching conditions of the imported bearings, so as to obtain a foolproof disassembly operation. 1. Removal of the outer ring To remove the outer ring with interference fit, set several screws for the outer ring to squeeze the screw on the circumference of the casing in advance, and tighten the screw evenly while disassembling. These screw holes are usually covered with blind plugs, separable imported bearings such as tapered roller bearings, and several incisions are set on the shoulder of the housing. Use spacers to remove them with a press, or gently tap to remove. 2. Removal of cylindrical bore imported bearing The removal of the inner ring can be easily pulled out with a pressure machine. At this time, pay attention to let the inner ring bear its pulling force. The disassembly of the inner ring of the large imported bearing adopts the hydraulic method. Oil pressure is applied through the oil hole provided on the shaft to make it easy to pull out. For imported bearings with large width, the hydraulic method is used together with the drawing fixture for disassembly. The inner ring disassembly of NU type and NJ type cylindrical roller imported bearings can use the induction heating method. A method of drawing by heating the part in a short time to expand the inner ring. 3. Dismantling of the tapered bore imported bearing Dismantle the relatively small imported bearing with an adapter sleeve, support the inner ring with the stopper fastened on the shaft, turn the nut back several times, and use the spacer to knock it out with a hammer. For large imported bearings, it is easier to disassemble by oil pressure. The oil is pressurized in the oil hole on the tapered hole shaft to expand the inner ring, and the imported bearing is disassembled.