Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7Z5-IR0512 found under Bearing Roller Track Roller by Designatronics Incorporated. The National Stock Number assigned to this part is 3110012065544, 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 7Z5-IR0512.