Moves large items quicker using the VXB005125HPUB1. The wheel diameter is 125mm or 4.921" inch in inches. Dimensions of the caster wheel is 50mm (1.969" inch). Overall height of the wheel caster is 166mm = 6.535" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. The Double ball beaing design will enable the Polyurethane tire to roll easily with a core made of Polyurethane. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 507 lb with a Side brake type. The caster temperature range = -40 to 180 F. Buy our VXB005125HPUB1, we wish all the best.