Whatever you are building needed to be on wheels, here come the 2inch-Swivel-Caster-007. This wheel caster has a wheel diameter of 50mm or 1.969" inch in inches. The thickness of the wheel is 50mm or 1.969" inch. The Caster with the wheel from end to end is 48mm = 1.890" inch. This wheel caster can be mounted using a with the dimensions of 38mm x 38mm and holes distance of 129mm x 74mm. Low drag was achieved by a Polypropylene core on a Polypropylene tire spinning freely with a Roller bearing. Each caster will carry the load of 77 lb and is Swivel type. Last and not least the temperature range = -40 to 180 F. Buy the 2inch-Swivel-Caster-007 now, just add the quantity to basket and click on Checkout.