Heavy weight capability and Durability made the wheel casters like the VXB005C200CPUF a must use, get your do it yourself object move around from our Toronto biz. Spinning on wheel that has 200mm diameter/7.874" inch. The thickness of the wheel is 50mm or 1.969" inch. The height of the wheel caster is 250mm = 9.843" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 115mm x 100mm x 6mm with the holes distance of 72mm x 85mm. This caster wheel core made of Cast Iron and Polyurethane and has a Cast Iron and Polyurethane tire spinning over Roller bearing. Each caster wheel will carry the load of 1190 lb and is Fixed type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB005C200CPUF in order to get one :).