... Belt Pulley 1).Type: SPA, SPB, SPC,SPZ, AK,BK... 2).Material:cast iron ,steel 3).Thickness:5mm 4).Out Diameter:142mm Belt ... equipments.We can supply all different types of pulley with good price and high quality.We are ... sprockets and machinery transmission parts.Main products include sprockets, timing belt pulleys, gears & racks, bushes & hubs, pulleys, ... according to customer's request. Belt pulley