Moves large items quicker using the VXB004075RBB. Diameter size of the caster wheel has a metric standard 75mm which is equal to 2.953" inch with imperial units. The wheel has a width of 35mm=1.378" inch. Overall height of the wheel caster is 105mm = 4.134" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. Low drag was achieved by a Rubber core on a Rubber tire spinning freely with a Ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 132 lb with a Swivel and Upper Brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB004075RBB in order to get one :).