PU Caster Wheels Products DescriptionDC Caster always insist on developing new technology and innovation,Website:http://www.dc-casters.com, DC PU Caster Wheels has developed from Plastic Core to Iron Core , and divided into Rigid wheels, Swivel wheels and brake wheels. We own total 3 series of PU Caster Wheels which including 9 kinds of products under different series. It can fully meet the customers' different requirement.Steel Grade: Q235Surface treatment: Plate Zinc and Spray PlasticsSteel Thickness:6mmInstallation Diagrams:115mmx100mmBearing: Double BearingWHEEL Materials: PolyurethaneMode: Rigid, Swivel, BrakeSpecification:Wheel MaterialsWheel Dia.(Inch)Wheel Width(MM)Overall Height(MM)BearingLoading Capacity(KGS)Polyurethane4"50137Double Bearing300Polyurethane5"50158Double Bearing300Polyurethane6"50186Double Bearing300Polyurethane8"50230Double Bearing350