Novel labyrinth seal carrier roller

The utility model discloses a novel labyrinth seal carrier roller which comprises roller skin, a carrier roller shaft, a bearing seat, a bearing, a labyrinth combined seal ring, a sealing ring, an end cover and a shaft washer. The bearing seat is arranged in the roller skin and is in clearance fit with the roller skin, the bearing is arranged in the bearing seat and is in clearance fit with the bearing seat, the bearing is in clearance fit with the carrier roller shaft, the labyrinth combined seal ring is in clearance fit with the bearing seat and the carrier roller shaft, the sealing ring is arranged outside the labyrinth combined seal ring, the end cover is arranged in the bearing seat and is in clearance fit with the carrier roller shaft, and the shaft washer is arranged outside the end cover and located in a groove of the carrier roller shaft. The novel labyrinth seal carrier roller is reasonable in structure, safe, reliable, high in wear resistance, low in weight, little in rotation resistance, flexible in rotation, good in sealing performance and capable of effectively preventing dust and water, and the service life of the carrier roller is prolonged.