# Martin 40A56 Type A Plain Bore Roller Chain Sprocket #40 Chain 1/2" Pitch 56 Teeth Steel 9.203" OD - MROSupply.com

***Martin 40A56 Type A Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 56 teeth, steel construction, flat plate design with no hub. Outside diameter: 9.203".***



## Product details:

- Catalog number: 40A56
- SKU: 261262
- Price: ***$55.74*** 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: 4.800 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: 56
  

  
- Outside Dia: 9.203"
  

  
- Pitch: 0.500 in.
  

## Suggested products:
- [Martin 40A56 Type A Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 56 teeth, steel construction, flat plate design with no hub. Outside diameter: 9.203".](https://www.mrosupply.com/products/261262/as-markdown/)
- [Martin 40A13 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 13 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.329".](https://www.mrosupply.com/products/261213/as-markdown/)
- [Martin 40A112 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 112 teeth, flat plate design with no hub. Steel construction, outside diameter 18.121".](https://www.mrosupply.com/products/261211/as-markdown/)
- [Martin 40A12 Type A Plain Bore Roller Chain Sprocket for #40 chain (1/2" pitch). 12 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.166".](https://www.mrosupply.com/products/261212/as-markdown/)
- [Martin 40A14 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2 in. pitch) with 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 2.491". Compatible with ANSI B29.1 standard chain. Direct replacement](https://www.mrosupply.com/products/261214/as-markdown/)

## Product's reviews:
- Nice sprocket - sprocket is very nice.
- Great service and selection - I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt.
I will do business again with MRO
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!
- 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!!!


