Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB200X1 1 2 found under Bearing Unit Plain by Emerson Electric Co. The National Stock Number assigned to this part is 3130000154662, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PB200X1 1 2.