cable pulley wheels 1.Ball /Roller bearings 2.ACCEPT OEM ! 3.stainless steel +POM and nylon 4.small order accept The Pulley Bearing Manufacturing Specification 1.Description: Nameplastic cable pulley wheels ,3Cr13 and POM,belt pulleyIDYQ-S688RSMOQ5000 PCSOuter ring outside diameter28mmOuter ring height8mmInner ring height9.9mmInner boreM4Material3Cr13 and POMPrice$0.06-8.002.Picture: 3.Factory ...