Motor rotating shaft

The utility model discloses a motor rotating shaft. The motor rotating shaft comprises a rotating shaft body; a cylindrical rotor core is arranged in the middle of the rotating shaft body; the rotor core is formed by use of more than two silicon steel sheets by stamping; a shaft head is arranged at one end of the rotating shaft body, and a rotating head is arranged at the other end of the rotating shaft body; shaft shoulders for mounting bearings are arranged at the inner end of the shaft head and the inner end of the rotating head, respectively; the length of each shaft shoulder is the same as the width of each bearing; annular grooves are formed in the two ends of each shaft shoulder, respectively, and inner retainer rings are arranged on the annular grooves, respectively. The motor is low in noise and stable in operation.