Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NN5101-2 found under Cup Tapered Roller Bearing by Scott Huber Essick A Co Of Figgi. The National Stock Number assigned to this part is 3110001000340, 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 NN5101-2.