VXB005125C is a device comprising a wheel that's connected to the base of a huge object like a trailers, your home furniture, even your truck to transfer the item more quickly and readily. them.You need {Item Name} to have your office desk, equipment or even a machine to easily roll them around. Diameter size of the caster wheel has a metric standard 125mm which is equal to 4.921" inch with imperial units. The wheel has a width of 50mm=1.969" inch. The caster dimensions heightwise is 167mm/6.575" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. Low drag was achieved by a Cast iron core on a Cast iron tire spinning freely with a Roller bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 507 lb with a Swivel type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005125C in order to get one :).