Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MR1211EL found under Bearing Roller Cylindrical by Federal Mogul Corp. The National Stock Number assigned to this part is 3110013500723, 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 MR1211EL.