# Martin 100A31 Type A Plain Bore Roller Chain Sprocket #100 Chain 1-1/4" Pitch 31 Teeth Steel - MROSupply.com

***Martin 100A31 Type A Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch), 31 teeth, steel construction, flat plate design with no hub. Outside diameter: 13.042". Ideal for light-duty applications where weight savings is critical.***



## Product details:

- Catalog number: 100A31
- SKU: 258519
- Price: ***$189.79*** 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: 21.500 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: 31
  

  
- Outside Dia: 13.042"
  

  
- Pitch: 1.250 in.
  

## Suggested products:
- [Martin 100A12 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 12 teeth, steel construction. Flat plate design with no hub, 5.415" outside diameter. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.](https://www.mrosupply.com/products/258494/as-markdown/)
- [Martin 100A13 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 13 teeth, 5.821" outside diameter. Steel flat plate design with no hub for lightweight applications. Suitable for standard roller chain drives where re-boring is not required.](https://www.mrosupply.com/products/258495/as-markdown/)
- [Martin 100A11 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 11 teeth, 5.007" outside diameter, steel. Flat plate design with no hub for lightweight applications. Requires boring to size for installation.](https://www.mrosupply.com/products/258493/as-markdown/)
- [Martin 100A31 Type A Plain Bore roller chain sprocket for #100 chain (1-1/4" pitch), 31 teeth, steel construction, flat plate design with no hub. Outside diameter: 13.042". Ideal for light-duty applications where weight savings is critical.](https://www.mrosupply.com/products/258519/as-markdown/)
- [Martin 100A10 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 10 teeth, steel construction. Flat plate design with no hub, 4.597" outside diameter. For light-duty power transmission applications where weight savings are critical.](https://www.mrosupply.com/products/258492/as-markdown/)

## Product's reviews:
- Martin s1036 gears - Great Item, for a great deal!
- Nice sprocket - sprocket is very nice.
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Martin flex sleeve - Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!