Whatever you are building needed to be on wheels, here come the 3inch-Caster-024. This caster is rolled on a wheel that has 75mm diameter/2.953" inch inches. Dimensions of the caster wheel is 21mm (.827" inch). The Caster with the wheel from end to end is 93mm = 3.661" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 65mm x 54mm and holes distance of 51mm x 38mm. The Delrin bearing design will enable the Rubber tire to roll easily with a core made of Rubber. Each caster will carry the load of 88 lb and is Fixed type. Last and not least the temperature range = -40 to 180 F. Enjoy our 3inch-Caster-024, we wish all the best in your project.