Minimization of possible untoward effects on operator by installing VXB004075PVC1 just ask your operator to push and pull, but not carry. And rolling on wheel that has 75mm diameter/2.953" inch. The thickness of the wheel is 30mm or 1.181" inch. The caster dimensions heightwise 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 Polyvinyl Chloride core on a Polyvinyl Chloride 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 type. Environment temperature range is -40 to 180 F. Buy our VXB004075PVC1, we wish all the best.