To provide an inexpensive conveyor for directional changing having high maintainability of packaging form on a pallet and reducing sliding noise between the pallet and a conveyed material.

A conveyor roller 1 has a large diameter disk 3 and a small diameter disk 4 having different diameters provided at both ends of a prescribed rotary shaft 2. The large diameter disk 3 and the small diameter disk 4 are arranged so as to correspond to a position of a spacer 6 of the pallet 5. The conveyor 10 for directional changing is constituted so that the plurality of conveyor rollers 1 are arranged along a curved carrying line 11.