# Martin 240A40 Type A Plain Bore Roller Chain Sprocket #240 Chain 3" Pitch 40 Teeth Steel 39.919" OD - MROSupply.com

***Martin 240A40 Type A plain bore roller chain sprocket for #240 chain with 3" pitch, 40 teeth, and 39.919" outside diameter. Steel flat plate design with no hub, intended for re-boring to desired shaft size. Suitable for heavy-duty industrial power transmission applications requiring high tensile strength and large pitch chain drives.***



## Product details:

- Catalog number: 240A40
- SKU: 260480
- Price: ***$4,784.11*** 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: 548.000 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: 40
  

  
- Outside Dia: 39.919"
  

  
- Pitch: 3.000 in.
  

## Suggested products:
- [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 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/)
- [HKK RC240R1A (alt. 240R10) is a 240 single strand standard ANSI roller chain with 3" pitch, solid bushings and rollers, and riveted construction. It meets ANSI B29.1 standards and is made in Japan. This 10 ft reel features a pin diameter of 0.936", plate height of 2.768", roller width of 1-7/8", and plate thickness of 0.375". Maximum allowable load is 28,950 lbs with an average ultimate strength of 148,000 lbs.](https://www.mrosupply.com/products/2265783/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/)
- [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/)

## Product's reviews:
- High quality - strong material
- 21 tooth 12 dp spur gear - The 21 tooth 12 DP gear I bought arrived very quickly.
It was exactly what I needed to fix my RV slide out.
I had to machine it to fit, but I knew that when I ordered it.
VERY SATISFIED!!!
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!
- Flexible coupler - Very fast and reliable shipping.