Novel bearing sealing structure

The utility model discloses a novel bearing sealing structure which comprises an oil retainer and a bearing gland which are sequentially arranged on one side of a bearing from inside to outside, an inner oil seal is fixedly arranged on the side, close to the oil retainer, of the bearing gland, the oil retainer is arranged on a rotating shaft in the center of the bearing in a sleeved mode, and the rotating shaft is arranged in the center of the bearing gland in a penetrating mode. A third oil guide hole is formed in the position, corresponding to the annular oil groove in the outer ring of the bearing, of the bearing box body, and a second oil cup screwed on the third oil guide hole is arranged on the bearing box body. Grease can be blocked through the oil retainer, grease flowing to the position of the inner oil seal is reduced, the grease is kept at the position of the bearing, it is guaranteed that the bearing has sufficient grease for lubrication, meanwhile, the service life of the inner oil seal is prolon