NuTone 86323000 Bathroom Fan Motor NuTone replacement motor only for models: QT80, QT80N, QT80NB, QT90, QT90T Motor specifications: 1180 RPM, 0.61-Amps, 120-Volt 60HZ motor # JA2B089N Motor Shaft Size 1/4-inch by 1; Motor Case Length 2-inch