Utilizing VXB009C150BTWFSPUF makes it feasible to pull and push items instead of transport The wheel diameter is 150mm or 5.906" inch in inches. The thickness of the wheel is 50mm x 2mm or 1.969" inch. Overall height of the wheel caster is 210mm = 8.268" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 180mm x 145mm Top Plate: 12mm+housing: 10mm and holes distance of 140mm x 105mm. Low drag was achieved by a Cast iron polyurethane core on a Cast iron polyurethane tire spinning freely with a Precision double ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 3307 lb with a Fixed type. Environment temperature range is -40 to 180 F. Buy our VXB009C150BTWFSPUF, we wish all the best.