Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2X627B found under Cup Tapered Roller Bearing by Napco International Llc. The National Stock Number assigned to this part is 3110001000496, 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 2X627B.