# Martin 240B12 Type B Plain Bore Sprocket #240 Chain 3" Pitch 12 Teeth 12.996" OD Steel - MROSupply.com

***Martin 240B12 Type B Plain Bore roller chain sprocket for #240 chain with 3" pitch, 12 teeth, and 12.996" outside diameter. Steel construction with hub on one side for re-boring to required shaft size. Suitable for heavy-duty conveyor and power transmission applications.***



## Product details:

- Catalog number: 240B12
- SKU: 260486
- Price: ***$1,019.09*** 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 B Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-b-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: 72.000 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: 12
  

  
- Outside Dia: 12.996"
  

  
- Pitch: 3.000 in.
  

## Suggested products:
- [HKK RC240R1A 240 single strand standard ANSI roller chain with 3" pitch, solid bushings and rollers, and riveted construction. Meets ANSI B29.1 standards and made in Japan. 10 ft reel with pin diameter 0.936", plate height 2.768", roller width 1-7/8", and plate thickness 0.375". Maximum allowable load 28,950 lbs, average ultimate strength 148,000 lbs.](https://www.mrosupply.com/products/2265783/as-markdown/)
- [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 240A10 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 10 teeth, and 11.033" outside diameter. Steel construction with flat plate design and no hub. Suitable for heavy-duty industrial drive and conveyor applications requiring high tensile strength.](https://www.mrosupply.com/products/260465/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/)

## Product's reviews:
- Durable and high quality - I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.
- Plate gear - Just what I ordered at a reasonable price. Thank you, Dallas
- 70 tooth #41 chain sprocket - The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
- Martin c5-20t-19-09 - Quality product. Fast shipping!