# Martin 240B20 Type B Plain Bore Sprocket #240 Chain 3" Pitch 20 Teeth Minimum Plain Bore Steel - MROSupply.com

***Martin 240B20 Type B plain bore roller chain sprocket for #240 chain (3" pitch). 20 teeth, minimum plain bore (MPB) for custom machining. Steel construction. Hub on one side for re-boring applications.***



## Product details:

- Catalog number: 240B20
- SKU: 260494
- Price: ***$1,819.72*** 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: 169.000 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: 20
  

  
- Outside Dia: 20.741"
  

  
- Pitch: 3.000 in.
  

## Suggested products:
- [Martin 240A11 Type A (Plain Bore) roller chain sprocket for #240 chain (3" pitch). Features 11 teeth, 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 240A10 Type A (Plain Bore) roller chain sprocket for #240 chain (3" pitch). 10 teeth, steel construction, flat plate design with no hub. Outside diameter: 11.033".](https://www.mrosupply.com/products/260465/as-markdown/)
- [Martin 240A12 Type A (Plain Bore) roller chain sprocket for #240 chain (3" pitch). 12 teeth, flat plate design with no hub. Steel construction. Outside diameter: 12.996".](https://www.mrosupply.com/products/260467/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 240A14 Type A (Plain Bore) roller chain sprocket for #240 chain (3" pitch). 14 teeth, flat plate design with no hub. Steel construction. Outside diameter: 14.944".](https://www.mrosupply.com/products/260469/as-markdown/)

## Product's reviews:
- Free freight ! - Easy to do business with
- 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!
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- 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!!!