Low cost solution to the heavy weight objects movement, Wheel casters like our VXB20060GPPR are used to roll your machine or equipment back and forth. Diameter size of the caster wheel has a metric standard 60mm which is equal to 2.362" inch with imperial units. The wheel has a width of 60mm=2.362" inch. The caster dimensions heightwise is 80mm/3.150" inch. Mounted via a Top Plate that has the size of 47mm x 47mm and the holes distance of 129mm x 74mm. The weehl core material is Polypropylene and has a Polypropylene tire with a low friction Roller bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 66 lb with a Swivel type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB20060GPPR in order to get one :).