This is the Beam Rugmaster Plus Power Nozzle Motor #26159-7. This motor has an extended shaft made to fit the Rugmaster Plus nozzles only. The shaft on this motor measures 1 1/8″.
This could also be under the number 53419-2, SCV32-8510-02, and E 246508.
Please note: This motor will not replace motors on older style Beam/Eureka Power Nozzles where the motor part # shows 26159-10.