Whatever you are building needed to be on wheels, here come the 5inch-Caster-033. This caster is rolled on a wheel that has 125mm diameter/4.921" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The Caster with the wheel from end to end is 166mm = 6.535" 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. The Double ball beaing design will enable the Polyvinyl Chloride tire to roll easily with a core made of Polyvinyl Chloride. Bearing in mind that every caster wheel has the load capacity of 507 lb with a Fixed type. The temperature range is -40 to 180 F. Enjoy our 5inch-Caster-033, we wish all the best in your project.