Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FFB187 01-TYPE ABMA 52638 found under Cup Tapered Roller Bearing by Federal Specifications. The National Stock Number assigned to this part is 3110001000596, 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 FFB187 01-TYPE ABMA 52638.