Carrier 50DK509554 Fan Shaft

The Carrier 50DK509554 Fan Shaft is a heavy-duty, critical rotation component engineered for high-demand commercial HVAC and refrigeration systems. As a genuine OEM replacement fan shaft, it is purpose-built to maintain precise balance and torque transmission between the drive motor and blower assembly. This 17 3/4 inch fan shaft features a 5/8 inch bore with a standard keyway lock to ensure a non-slip mechanical connection under high-static pressure loads.

For technicians servicing packaged rooftop units or large-scale air handlers, the Carrier 50DK509554 provides the structural integrity required to prevent vibration-induced bearing failure. It is compatible with a wide range of Carrier, Bryant, and Payne equipment, including the 48HCDA, 48KCDA, and 50HCQA series. Using this HVAC blower motor shaft ensures your equipment adheres to the original manufacturer's airflow specifications, facilitating efficient heat dissipation and extending the lifespan of the entire drive train assembly.

• Precision Dimensions: Features an exact 17.75" length and 5/8" diameter for a drop-in fit without field modifications.
• OEM Structural Integrity: Manufactured from high-grade steel to resist rotational shearing and surface corrosion in moist environments.
• Enhanced System Balance: Precision-ground surface reduces runout, protecting both motor bearings and pillow block assemblies.
• Broad Compatibility: Cross-referenced for use with numerous Carrier fan shaft replacement applications and heavy-duty 48HJD model series.

What is the exact bore size and the overall length?
This specific shaft has a 5/8" bore and an overall length of 17-3/4 inches.

Does this shaft include a keyway?
Yes, this component is designed with a standard keyway lock for secure mounting of the fan pulley and blower wheel.

What equipment does the 50DK509554 fit?
It is widely used in Carrier and Bryant commercial packaged units, specifically compatible with model series such as 48HCDA, 48KCDA, and 50HCQA.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.