Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL18 3030C3 found under Bearing Roller Cyli by Ina Bearing Co Inc. The National Stock Number assigned to this part is 3110012882135, 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 SL18 3030C3.