Ball bearing lubricating oil self-supplying, collecting and cooling system for high-speed motor

The utility model relates to the technical field of bearing lubrication, in particular to a ball bearing lubricating oil self-supplying, collecting and cooling system for a high-speed motor, which is simple in structure, small in size, high in integration degree, low in motor noise and low in production cost and comprises a shell, a rotating shaft is mounted in the shell and connected with a single-row ball bearing, and the ball bearing lubricating oil self-supplying, collecting and cooling system is characterized in that the single-row ball bearing lubricating oil self-supplying, collecting and cooling system is arranged in the shell. The rotating shaft is vertically arranged, the bottom of the shell is connected with an oil supply cavity, a blind hole oil duct is formed in the rotating shaft, an opening of the blind hole oil duct is located in the bottom, stretching into the oil supply cavity, of the rotating shaft, and a side oil duct corresponding to the bearing is formed in the side wall of the blind hol