Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AH70489 found under Roller Linear Rotary Motion by Komatsu America Corp. The National Stock Number assigned to this part is 3120012385187, 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 AH70489.