Novel heavy-duty bearing system

The utility model discloses a novel heavy-duty bearing system structure, belongs to the technical field of pump machinery manufacturing, and particularly relates to structural optimization and improvement of a heavy-duty bearing system for a pump. The heavy-duty bearing structure has the advantages of being high in bearing capacity, stable in structure and good in lubricating performance, the heavy-duty bearing structure comprises a bearing, a bearing body, a bearing cover, a cooling chamber, a sealing piece and other main parts, the bearing is composed of an axial thrust ball bearing and a radial sliding bearing, the bearing surrounds the shaft diameter by a circle, and a bearing spacer sleeve is located beside the bearing and surrounds the shaft diameter by a circle to position the bearing. A blocking cover surrounds the bearing, an orifice is formed in the blocking cover, an oil hole located in a bearing cover is communicated with the blocking cover, and an oil station can conduct oil lubrication. The circ