Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 630-0552-061 MTCH.SE.OF 2 found under Bearing Set by Robbins And Myers Inc. The National Stock Number assigned to this part is 3110011368316, 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 630-0552-061 MTCH.SE.OF 2.