Make your life easier, have big objects easier to Maneuver using the VXB004125TPR Wheel Caster. Diameter size of the caster wheel has a metric standard 125mm which is equal to 4.921" inch with imperial units. The thickness of the wheel is 30mm or 1.181" inch. Overall height of the wheel caster is 155mm = 6.102" 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 45mm x 72mm. The Double ball bearing design will enable the Thermoplastic Rubber tire to roll easily with a core made of Thermoplastic Rubber. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 220 lb with a Swivel type. Temperature range is -40 to 180 F. Buy our VXB004125TPR, we wish all the best.