Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2311K-H2311 found under Bearing Assembly by Skf Usa Inc. The National Stock Number assigned to this part is 3110012367949, 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 2311K-H2311.