... , Silicone...DimensionPer drawing or requestColormore than 30 colors or per requestHardnessShore 5A~ 95ATemperatureup to 300°CHub MaterialAluminum, Steel, ... Sintered Bronze, Brass, Bearing, Many PlasticsBearing ChoicesBall, Needle, Sintered Bronze, PlasticWarranty6 months ~ 12 monthsSpecial ... abrasion resistant PU rubber roller for industrial machine (many size)