Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAFB2989B found under Bearing Sleeve by Coltec Industries Inc. The National Stock Number assigned to this part is 3120005546542, 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 CAFB2989B.