NuTone 26754SER Bathroom Fan Motor NuTone replacement motor only for models: 811, 813, 817, 819, 848, 849, 851, 8110, 8130, 8170, 8190, 8490 0.85-Amps, 1500 RPM, 115-Volts, 60HZ, 2 prong plug, rotation CCW Motor shaft size: 5/16-inch by 1-1/2-inch