Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1AAD29 found under Bearing Half Sleeve by Cooper Industries Inc. The National Stock Number assigned to this part is 3120003635219, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R1AAD29.