Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BJ16TC20M13 found under Bearing Sleeve by Timken Company The. The National Stock Number assigned to this part is 3120004506256, 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 BJ16TC20M13.