# Martin 240A21 Type A Plain Bore Roller Chain Sprocket #240 Chain 3" Pitch 21 Teeth Steel 21.704" OD - MROSupply.com

***Martin 240A21 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 21 teeth, and 21.704" outside diameter. Steel flat plate construction with no hub for light-duty power transmission applications.***



## Product details:

- Catalog number: 240A21
- SKU: 260476
- Price: ***$1,628.51*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Type A Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-a-plain-bore-sprockets/)
    - [Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 148.000 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Material: Steel
  

  
- Number Of Teeth: 21
  

  
- Outside Dia: 21.704"
  

  
- Pitch: 3.000 in.
  

## Suggested products:
- [Martin 240A11 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 11 teeth, and 12.017" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where weight savings are needed.](https://www.mrosupply.com/products/260466/as-markdown/)
- [Martin 240A12 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 12 teeth, and 12.996" outside diameter. Flat plate design with no hub, steel construction. Suitable for heavy-duty industrial drive and conveyor applications requiring high tensile strength.](https://www.mrosupply.com/products/260467/as-markdown/)
- [Martin 240A14 Type A plain bore roller chain sprocket for #240 chain with 3" pitch. 14 teeth, flat plate design with no hub. Steel construction. Outside diameter: 14.944".](https://www.mrosupply.com/products/260469/as-markdown/)
- [Martin 240A21 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 21 teeth, and 21.704" outside diameter. Steel flat plate construction with no hub for light-duty power transmission applications.](https://www.mrosupply.com/products/260476/as-markdown/)
- [Martin 240A13 Type A plain bore roller chain sprocket for #240 chain with 3" pitch. 13 teeth, flat plate design with no hub. Steel construction. Outside diameter: 13.971".](https://www.mrosupply.com/products/260468/as-markdown/)

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