Minimization of possible untoward effects on operator by installing VXB007B063PVCT just ask your operator to push and pull, but not carry. Diameter size of the caster wheel has a metric standard 63mm which is equal to 2.480" inch with imperial units. Dimensions of the caster wheel is 63mm (2.480" inch). The caster dimensions heightwise is 90mm/3.543" inch. is the method of installing the caster to your equipment, here are the dimensions 92mm x 65mm with the holes distance of 73mm x 45mm. The weehl core material is Polyvinyl Chloride and has a Polyurethane tire with a low friction Ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 88 lb with a Swivel type. Environment temperature range is -40 to 180 F. Buy our VXB007B063PVCT, we wish all the best.