Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74500 74850AV found under Shield Bearing Replacement by Ziller Gmbh And Co Kg. The National Stock Number assigned to this part is 3110011982462, 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 74500 74850AV.