Waterproof structure for bearing installation

The utility model discloses a waterproof structure for bearing installation, which relates to the technical field of sealing equipment and comprises a rotating shaft, a bearing seat and a bearing, the outer ring of the bearing is in interference fit with the inner wall of a seat cavity of the bearing seat, the side wall of one end of the rotating shaft is connected with the inner ring of the bearing, and the other end of the rotating shaft extends out of the bearing and the bearing seat. A bearing cover is installed on the side wall, close to one end of the rotating shaft, of the bearing seat in a buckled mode, a lubricating oil nozzle is arranged in the center of the bearing cover, and a waterproof assembly is arranged between the side wall, away from one side of the bearing cover, of the bearing seat and the rotating shaft and comprises a nylon sealing seat sleeve, a nylon sealing shaft sleeve and a rubber sealing ring. The nylon sealing shaft sleeve is sleeved on the rotating shaft in an interference fit m