High-strength wear-resistant dustproof ceramic carrier roller

The utility model discloses a high-strength wear-resistant dustproof ceramic carrier roller which comprises an inner roller body and an outer roller body fixed on the inner roller body, the outer roller body is made of a wear-resistant ceramic tube, spiral grooves are formed in the outer surface of the inner roller body in a staggered mode in the axial direction, and shaft pulling grooves are formed in the surface of the inner wall of the outer roller body at intervals in the axial direction. A bonding layer formed by ceramic slurry is arranged between the inner roller body and the outer roller body, a bearing is arranged between the inner roller body and the bearing cover, an inner sealing ring, a middle sealing ring and an outer sealing ring are sequentially arranged on the bearing cover from inside to outside, the middle sealing ring is connected with one end of an oil injection hole, and the other end of the oil injection hole extends out of the bearing cover and is provided with an oil injection plug in