6inch-Swivel-Caster-028 is a wheel caster, which is the shortcut of installing wheels on a hospital bed, or any objexct needed to be moved. This caster is rolled on a wheel that has 150mm diameter/5.906" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The overall height of the caster is 195mm or 7.677" 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 caster core is made of Polyurethane and has a Polyurethane tire with a low friction Double ball beaing. Each caster will carry the load of 617 lb and is Swivel type. The temperature range is -40 to 180 F. Buy the 6inch-Swivel-Caster-028 now, just add the quantity to basket and click on Checkout.