Mounting VXB004100PUT1 is the Low cost solution of making a project to move around by pushing or pulling. Diameter size of the caster wheel has a metric standard 100mm which is equal to 3.94" inch with imperial units. The thickness of the wheel is 100mm or 3.94" inch. The method of installing the caster to your equipment, here are the dimensions 95mm x 70mm with the holes distance of 75mm x 52mm. The Ball bearing 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 218 lb with a Swivel type. Temperature range is -40 to 180 F. Buy our VXB004100PUT1, we wish all the best.