Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7500 1920 found under Bearing Ball Linear by Welin Lambie Ltd. The National Stock Number assigned to this part is 3110994559153, 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 7500 1920.