Moves large items quicker using the VXB20050CPU3. And rolling on wheel that has 50mm diameter/1.969" inch. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 48mm = 1.890" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 38mm x 38mm with the holes distance of 129mm x 74mm. Low drag was achieved by a Nylon and Polyvinyl Chloride core on a Nylon and Polyvinyl Chloride tire spinning freely with a Roller bearing. Bearing in mind that every caster wheel has the load capacity of 55 lb with a Swivel type. Environment temperature range is -40 to 180 F. Buy the VXB20050CPU3 now, just add the quantity to basket and click on Checkout.