Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CHB3111A found under Bearing Assembly by Coltec Industries Inc. The National Stock Number assigned to this part is 3120003625023, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CHB3111A.