Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PN61778 found under Bearing Plain Self Aligning by Babcock Inc. The National Stock Number assigned to this part is 3120012792290, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PN61778.