Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45BC03JP found under Bearing Ball Annular by Anti Friction Bearing Mfg. The National Stock Number assigned to this part is 3110008280196, 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 45BC03JP.