Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NA2040TA20 20 found under Bearing Roller Needle by Bremen Bearing Co. The National Stock Number assigned to this part is 3110010110019, 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 NA2040TA20 20.