AYUH Belt pulley includes , Round belt pulley , flat belt pulley and V belt pulley. People choose AYUH belt pulley to instead of the metal ones for its light weight , and supper wear resistance. Material: UHMWPE / HDPE / Nylon/ POM OD: customized , 10mm-1500mmBore size : as require.Thickness: 10mm-300mmBelt type: flat belt , round belt, V belt .Goove : U shape , v shape and customize shape .Processing technic: mold pressing , machining, casting.Advantage: 1, Light weight , 2, wear resistance 3, free-noise