Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1396-MK-B-ITEM25 found under Bearing Roller Self Aligning by Harnischfeger Corp. The National Stock Number assigned to this part is 3110001561426, 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 D1396-MK-B-ITEM25.