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Black iron chainwheel, eight and a quarter inches diameter

Dayton

Dayton MH21VG4902G ChainWheel 8-1/4in Black Iron part

SKU CH-GJ3C-9KF3B

Black iron chain wheel measuring 8-1/4 inches for machinery power transmission systems

  • Black iron construction resists wear in heavy-duty applications
  • 8-1/4 inch diameter suits standard chain drive setups
  • New condition ensures full service life from installation
  • Dayton brand delivers reliable industrial component quality
  • Part number MH21VG4902G enables precise ordering and compatibility

Dayton ChainWheel 8-1/4in Iron Component

The Dayton MH21VG4902G ChainWheel is an 8-1/4 inch black iron wheel designed for machinery and machine shop applications. It functions as a chain-driven component in industrial drive systems. This new part suits maintenance technicians and equipment builders who need a durable iron wheel for power transmission assemblies. The black finish provides corrosion resistance in workshop environments.

8-1/4 Inch Diameter Iron ChainWheel

The critical specification is the 8-1/4 inch wheel diameter which must match the existing drive system geometry. Chain pitch and sprocket tooth count must align with this diameter for proper engagement. No load capacity, axle dimensions, or bore size are specified in the manufacturer data. Verify all mechanical interfaces before installation to ensure compatibility with the target shaft and chain.

For Machinery Maintenance and Drive Repairs

This chainwheel suits facilities maintaining Dayton equipment or building custom chain drives where an 8-1/4 inch iron wheel is specified. Buyers who need a different diameter, material, or bore configuration should look at other chainwheel options. Those requiring rated load capacities or specific mounting hardware must source a fully documented alternative.

Highlights

  • Black iron construction resists wear in heavy-duty applications
  • 8-1/4 inch diameter suits standard chain drive setups
  • New condition ensures full service life from installation
  • Dayton brand delivers reliable industrial component quality
  • Part number MH21VG4902G enables precise ordering and compatibility

Specifications

BrandDAYTON

Questions about this item

What does the 8-1/4 inch diameter mean for chain engagement on this Dayton chainwheel?

The 8-1/4 inch diameter determines the chain wrap and sprocket ratio when mounted on a driven shaft, affecting speed and torque delivery in the drive system.

How does the plain bore interface limit installation options for this iron chainwheel?

A plain bore requires the user to machine a keyway, set-screw flats or a clamping hub to match the specific shaft diameter and prevent rotation under load.

What clearance is needed to fit the 8-1/4 inch black iron chainwheel into an existing guard or frame?

An 8-1/4 inch diameter wheel needs at least that much radial space plus chain thickness, so measure the enclosure opening before ordering.

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