Moves large items quicker using the VXB005200APVCB1. And rolling on wheel that has 200mm diameter/7.874" inch. Dimensions of the caster wheel is 50mm (1.969" inch). Overall height of the wheel caster is 240mm = 9.449" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. This caster wheel core material is Polyurethane and has a Polyurethane tire spinning over Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 661 lb with a Side brake type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005200APVCB1 in order to get one :).