Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number IR15X20X23 found under Ring Bearing Inner by Ina Schaeffler Technologies Gmbh And Co. The National Stock Number assigned to this part is 3110121694623, 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 IR15X20X23.