Novel bearing type groove-shaped carrier roller

The utility model relates to the technical field of machine manufacturing, in particular to a novel bearing type groove-shaped carrier roller which comprises a base, a carrier roller support is connected to the base, a buffer carrier roller is horizontally arranged on the carrier roller support, common carrier rollers are hinged to the two ends of the carrier roller support, and damping parts arranged on the base are connected to the upper ends of the common carrier rollers. The damping piece comprises a guide block hinged to the upper end of the common carrier roller, the axes of the upper and lower hinged positions of the common carrier roller are parallel to each other, the guide block is in sliding connection with a guide sliding groove formed in the supporting rod and slides in the guide sliding groove in the rotating direction of the common carrier roller, and the bottom of the supporting rod is connected with two damping springs stretching out and drawing back in the vertical direction; the supporting