Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7407DBDFDT found under Bearing Ball Duplex by Skf Usa Inc. The National Stock Number assigned to this part is 3110001091339, 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 7407DBDFDT.