Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1297243 found under Bearing Roller Self Aligning by Westinghouse Electric Corp. The National Stock Number assigned to this part is 3110001559059, 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 S1297243.