Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6309-RS1 C3 found under Roller Bearing by Skf Usa Inc. The National Stock Number assigned to this part is 3110015109023, 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 6309-RS1 C3.