Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6877390-2 found under Housing Antifriction Bearing Air by Rolls Royce Corp. The National Stock Number assigned to this part is 2840001032431, and the Federal Supply Class is 2840 Gas Turbines And Jet Engines Aircraft Prime Moving And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6877390-2.