Mounting the 3inch-Swivel-Caster-001 Wheel Caster can make your life easier, push or pull your new project on wheels. This caster is rolled on a wheel that has 75mm diameter/2.953" inch inches. Dimensions of the caster wheel is 75mm (2.953" inch). The caster dimensions heightwise is 100mm/3.937" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 47mm x 47mm 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. Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 88 lb with a Swivel type. Temperature range = -40 to 180 F. Remember, you will have to buy the 3inch-Swivel-Caster-001 in order to have it :).