Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WRG-12A found under Bearing Plain Self Aligning by Roller Bearing Co. The National Stock Number assigned to this part is 3120014135514, 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 WRG-12A.