Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6L6180 found under Bearing Assembly by Caterpillar Inc. The National Stock Number assigned to this part is 3110011485123, 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 6L6180.