Utilizing VXB005100CRF makes it feasible to pull and push items instead of transport Diameter size of the caster wheel has a metric standard 100mm which is equal to 3.937" inch with imperial units. Dimensions of the caster wheel is 50mm (1.969" inch). The Caster with the wheel from end to end is 142mm = 5.591" 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. Low drag was achieved by a Rubber core on a Rubber tire spinning freely with a Roller bearing. Bearing in mind that every caster wheel has the load capacity of 441 lb with a Fixed type. Temperature range is -40 to 180 F. Buy our VXB005100CRF, we wish all the best.