BP27R for Broan Nautilus Vent Bath Fan Motor 662 668 678 50N2 99080404 8320001483 - Fan Motor  Motor Specifications: Shaft Diameter is .1811 (between 1/8" and 3/16") it is splined x 1-11/16" Long. Wheel Measures 4-5/8" diameter x 1" high. Standard two prong plug attached to motor. Motor is rated 0.24 Amp. Studs come out the rear of the motor and measure 1 7/8" apart.  50 CFM Motor and Fan Assembly.Yeah It Looks Different, But the Mounting is the Same and the Motor is Improved to a PSC type, Capacitor Included for Quieter Running and Better Efficiency. Quality assurance: Carefully designed and crafted with ingenuity. This is a manufacturer's substitute that functions similarly to the previous parts and is made of high-quality materials. After testing, it is compact, sturdy, durable, and has a long lifespan. The product is well-designed, well processed, easy to install, and saves time and money. Before placing an order, please confirm that the model you need to purchase matches our model. After sales guarantee: We have always pursued customer satisfaction. If you are not satisfied with the product, please contact us! We will show you our sincere attitude and satisfactory solutions. BP27R for Broan Nautilus Vent Bath Fan Motor 662 668 678 50N2 99080404 8320001483 - Fan Motor  Motor Specifications: Shaft Diameter is .1811 (between 1/8" and 3/16") it is splined x 1-11/16" Long. Wheel Measures 4-5/8" diameter x 1" high. Standard two prong plug attached to motor. Motor is rated 0.24 Amp. Studs come out the rear of the motor and measure 1 7/8" apart.  50 CFM Motor and Fan Assembly.Yeah It Looks Different, But the Mounting is the Same and the Motor is Improved to a PSC type, Capacitor Included for Quieter Running and Better Efficiency.  Quality assurance: Carefully designed and crafted with ingenuity. This is a manufacturer's substitute that functions similarly to the previous parts and is made of high-quality materials. After testing, it is compact, sturdy, durable, and has a long lifespan. The product is well-designed, well processed, easy to install, and saves time and money. Before placing an order, please confirm that the model you need to purchase matches our model. After sales guarantee: We have always pursued customer satisfaction. If you are not satisfied with the product, please contact us! We will show you our sincere attitude and satisfactory solutions.