Carrying roller of belt conveyor

The utility model discloses a carrying roller of a belt conveyor, which comprises a carrying roller cylinder, two bearing seats, a bearing, an inner sealing ring, an outer sealing device and a carrying roller shaft, wherein the inner wall of the two axial ends of the carrying roller cylinder is provided with two bearing seat stop openings; the bearing seats are arranged in the bearing seat stop openings; the inner sealing ring, the bearing and the outer sealing device are sequentially arranged in bearing rooms of the bearing seats; and the two axial ends of the carrying roller cylinder are in necked shape. As the two bearing seats are firmly packed and buckled in the bearing seat stop openings without welding, the carrying roller not only has simple assembly technique, and controls the pollution, but also effectively improves the axiality of the two baring seats, leads the jumping yield of the outer diameter of the carrying roller to reach more than 97%, and improves the use performance and prolongs the servi