Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV104WI120CRVDB-171 found under Bearing Ball Duplex by Timken Company The. The National Stock Number assigned to this part is 3110011602191, 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 AV104WI120CRVDB-171.