Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ERG215 found under Cup Tapered Roller Bearing by Satair A S. The National Stock Number assigned to this part is 3110001599459, 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 ERG215.