Minimization of possible untoward effects on operator by installing VXB004075PVCB just ask your operator to push and pull, but not carry. Diameter size of the caster wheel has a metric standard 75mm which is equal to 2.953" inch with imperial units. The wheel has a width of 30mm=1.181" inch. The Caster with the wheel from end to end is 105mm = 4.134" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 93mm x 62mm with the holes distance of 73mm x 45mm. Low drag was achieved by a Polyvinyl Chloride core on a Polyvinyl Chloride tire spinning freely with a Double ball bearing. Bearing in mind that every caster wheel has the load capacity of 176 lb with a Swivel and Upper Brake type. Temperature range is -40 to 180 F. Buy our VXB004075PVCB, we wish all the best.