Imagine your office chair has no wheel caster, you would be carrying it right and left, install 5inch-Swivel-Caster-044 instead. Diameter of the caster wheel is a metric standard 125mm that is equal to 4.921" inch with imperial units. The thickness of the wheel is 30mm or 1.181" inch. The overall height of the caster is 155mm or 6.102" inch. Mounted via a Top Plate that has the size of 93mm x 62mm and the holes distance of 45mm x 72mm. Low drag was achieved by a Phenolic and 0-250ºC core on a Phenolic and 0-250ºC tire spinning freely with a Double ball bearing. Here come the maximum load that should be applied on every wheel, remember to add safety factor, when calculating the load capacity 220 lb with a Swivel type. The temperature range is -40 to 180 F. Buy the 5inch-Swivel-Caster-044 now, just add the quantity to basket and click on Checkout.