The Blodgett 6138 Oven Blower Wheel is an 8-1/2-inch diameter, 2-1/8-inch wide concave wheel with a 5/8-inch center hole and counterclockwise rotation. It circulates heated air through compatible commercial oven chambers to support even heat distribution during cooking. The assembly includes a puller hub, two set screws, and a keyway for securing the wheel to the motor shaft. It is as... https://partsfe.com/blower-wheel8-12d-x-2-18w-58-for-blodgett-part-6138