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Dayton 18-inch tubeaxial fan blade, six blades, hub bore 7/8 inch, for model 4C661

Dayton

Dayton 166175 18 in Tubeaxial Fan Blade for 4C661

SKU CH-9WJA-1KQD2

18-inch tubeaxial fan blade with six blades and 7/8-inch hub bore, designed for model 4C661

  • Product weight3.3
  • Product typeHigh Temperature
  • 18-inch diameter fits model 4C661 for direct replacement
  • Six-blade design moves air efficiently through ductwork
  • High-temperature construction withstands demanding operating conditions
  • 3 kg weight keeps motor loading within design limits
  • 7/8-inch hub bore matches shaft without adapters

Replacement blade for Dayton 4C661

This 18-inch tubeaxial fan blade is manufactured by Dayton to fit model 4C661. It serves as a direct replacement component for compatible air-moving equipment. Maintenance teams and facility managers can install it to restore rated airflow on the specified fan assembly. The part number is 166175.

Six-blade design rated for high-temperature duty

The blade assembly carries six blades and a 7/8-inch hub bore built for high-temperature environments. It delivers the airflow the original fan was engineered for when mounted on the correct motor. Operation beyond the host fan’s design envelope will exceed the blade’s capacity and may cause premature wear. Verify the host unit matches model 4C661 before fitting.

Exact fit depends on hub bore and model match

The 7/8-inch hub bore and 18-inch diameter must match the motor shaft and housing of Dayton fan 4C661 precisely. A different bore size or blade count will prevent secure mounting and safe rotation. Confirm the host fan’s nameplate reads 4C661 before ordering this blade.

How it compares

Measured against everything we stock in Indoor & Outdoor Ceiling Fans, at today’s prices. Recalculated every night.

Price $161.99
Pricier than about 69% of the 444 comparable items (median $99.99).

Specifications

Product
Brand nameDayton
Product typeHigh Temperature

Questions about this item

Will the 18 in blade with 7/8 in hub bore fit my existing Dayton 4C661 motor?

Yes, this blade is made for fan number 4C661 and has a 7/8 in hub bore that matches the motor shaft.

How can I confirm the blade is balanced and running true after installation?

Run the fan at operating speed and watch for wobble or vibration; a smooth, quiet rotation shows the 6-blade assembly is seated correctly.

Does the box include mounting hardware or just the blade assembly?

The package contains the 18 in tubeaxial blade with six blades; bolts, washers or a hub are not included and must be sourced separately.

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