Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 502255 found under Bearing Ball Annular by Satair A S. The National Stock Number assigned to this part is 3110001448662, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 502255.