Whatever you are building needed to be on wheels, here come the 3inch-Swivel-Caster-014. This caster is rolled on a wheel that has 75mm diameter/2.953" inch inches. The wheel has a width of 50mm=1.969" inch. The caster dimensions heightwise is 110mm/4.331" inch. Top Plate is the method of installing the caster to your equipment, the dimensions are 100mm x 115mm with the holes distance of 75mm x 85mm. Low drag was achieved by a Polyurethane and Iron core on a Polyurethane and Iron tire spinning freely with a Ball bearing. Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 1102 lb with a Swivel type. Last and not least the temperature range = -40 to 180 F. Remember, you will have to buy the 3inch-Swivel-Caster-014 in order to have it :).