Single-stage cantilever center supporting centrifugal pump

The utility model relates to a single-stage cantilever center support centrifugal pump, which has the characteristics of horizontal type, end-in ejection, radial subdivision, center support and volute type, and comprises a pump body, a pump cover, an impeller, a mechanical seal and a bearing component. The pump body supporting leg is of a thickened solid structure, the impeller nut is a steel wire thread insert with a self-locking function, the impeller is fixed to the shaft, and the impeller is prevented from loosening. The bearing part is provided with an oil collecting platform, and a channel type lubricating oil loop is adopted, so that the bearing can be fully lubricated. And a fan is mounted behind the driving end of the bearing part to cool the bearing. The utility model has the characteristics of safe structure, reliable operation, convenience in disassembly and assembly, high efficiency, energy conservation and the like, can realize the balance of axial force in use, and can convey clean or micropart