Little or minimum effort can be possible on your operator by installing VXB20050CPU3B just ask your operator to push and pull, but not carry. Dia. Measured of the caster wheel in metric standard 50mm which is equal to 1.969" inch with imperial units. The wheel has a width of 50mm=1.969" inch. The height of the wheel caster is 48mm = 1.890" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 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. Having in mind that every caster wheel has the load capacity of 55 lb with a Swivel type. Ambient temperature range is -40 to 180 F. Order the VXB20050CPU3B now, just add the quantity to basket and click on Checkout.