Moves large items quicker using the VXB0045100PUOB. And rolling on wheel that has 100mm diameter/3.937" inch. Dimensions of the caster wheel is 40mm (1.575" inch). The caster dimensions heightwise is 140mm/5.512" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 110mm x 100mm x 4mm fork:3.5mm and holes distance of 85mm x 75mm. This caster wheel core material is Polyurethane and Polypropylene and has a Polyurethane and Polypropylene tire spinning over ball bearing. Each caster will carry the load of 551 lb and is Swivel and Upper Brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB0045100PUOB in order to get one :).