VXB00520050BNY 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. Spinning on wheel that has 200mm diameter/7.874" inch. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 240mm/9.449" inch. Mounted via a Top Plate that has a size of 115mm x 110mm x 6mm and the holes distance of 72mm x 85mm. The weehl core material is Polyamide (Nylon) and has a Polyamide (Nylon) tire with a low friction Double ball beaing. Having in mind that every caster wheel has the load capacity of 1543 lb with a Swivel type. The Temperature range is -40 to 180 F. FYI, you will need to buy the VXB00520050BNY in order to get one :).