Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 201-508 found under Bearing Roller Cyli by Bornemann Joh Heinr Gmbh. The National Stock Number assigned to this part is 3110123427668, 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 201-508.