Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C0R12 found under Bearing Plain Self Aligning by Stephens Adamson Inc. The National Stock Number assigned to this part is 3120007281033, 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 C0R12.