Utilizing VXB005200BC makes it feasible to pull and push items instead of transport Diameter size of the caster wheel has a metric standard 200mm which is equal to 7.874" inch with imperial units. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 240mm = 9.449" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 100mm x 115mm with the holes distance of 75mm x 85mm. The weehl core material is Black Cast iron and has a Black Cast iron tire with a low friction Roller bearing. Each caster will carry the load of 661 lb and is Swivel type. Environment temperature range is -40 to 180 F. Buy our VXB005200BC, we wish all the best.