Make your life easier by moving oversize large objects much much easier using the VXB007075PVCF Wheel Caster. Wheel dia. is 75mm or 2.953" inch in inches. The wheel has a width of 21mm=.827" inch. The caster dimensions heightwise is 100mm/3.937" inch. This wheel mounting is Top Plate with the dimensions of 65mm x 65mm and holes distance of 49mm x 49mm. The weehl core material is Polyvinyl Chloride and has a Polyvinyl Chloride tire with a low friction Plain bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 66 lb with a Fixed type. Ambient temperature range is -40 to 180 F. FYI, you will need to buy the VXB007075PVCF in order to get one :).