VXB005C150BAPU is a device building 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. Wheel dia. is 150mm or 5.906" inch in inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 200mm = 7.874" inch. This wheel mounting is Top Plate with the dimensions of 115mm x 100mm x 6mm and holes distance of 72mm x 85mm. The Double ball beaing design will enable the Aluminium and Polyurethane tire to roll easily with a core made of Aluminium and Polyurethane. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 1102 lb with a Swivel type. The caster wheel temperature range = -40 to 180 F. FYI, you will need to buy the VXB005C150BAPU in order to get one :).