Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 375730R91 found under Bearing Set Connect by International Harvester Co. The National Stock Number assigned to this part is 3120004933955, 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 375730R91.