Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GH5 ITEM 56 found under Ring Bearing Inner by Braden Carco Gearmatic. The National Stock Number assigned to this part is 3110013962572, 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 GH5 ITEM 56.