Bearing mounting seat with stable structure

The utility model discloses a bearing mounting seat with a stable structure in the technical field of bearing seats, which comprises a lower mounting seat and an upper mounting seat, the bottom end face of the lower mounting seat is fixedly connected with a lower fixing plate, and the top end face of the upper mounting seat is fixedly connected with an upper fixing plate. Movably connected fixing bolts are arranged on the upper fixing plate and the lower fixing plate, fixing nuts in threaded connection are arranged on the outer walls of the fixing bolts, first fixing blocks are fixedly connected to the two side ends of the lower mounting base, and second fixing blocks are fixedly connected to the two side ends of the upper mounting base; a fixing bolt and a fixing nut which are movably connected are arranged between the first fixing block and the second fixing block, the lower mounting base and the upper mounting base are combined to form a containing groove, the bearing is mounted in the containing groove, a