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

***Martin 240B20 Type B plain bore roller chain sprocket for #240 chain with 3" pitch, 20 teeth, and 20.741" outside diameter. Steel construction with hub on one side for re-boring applications. Minimum plain bore allows custom machining to required shaft size.***



## 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 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 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 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/)
- [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 240B20 Type B plain bore roller chain sprocket for #240 chain with 3" pitch, 20 teeth, and 20.741" outside diameter. Steel construction with hub on one side for re-boring applications. Minimum plain bore allows custom machining to required shaft size.](https://www.mrosupply.com/products/260494/as-markdown/)

## Product's reviews:
- Good stock - I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.
- Works great - Works perfect and made my gokart way faster
- Electric motor pulley sheave - Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.
- 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