# Martin 140B30 Type B Plain Bore Sprocket #140 Chain 1-3/4" Pitch 30 Teeth Steel - MROSupply.com

***Martin 140B30 Type B plain bore roller chain sprocket for #140 chain, 1-3/4" pitch, 30 teeth, steel construction, 17.700" outside diameter. Minimum plain bore for custom machining; hub on one side for re-boring applications.***



## Product details:

- Catalog number: 140B30
- SKU: 259408
- Price: ***$592.54*** 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: 69.800 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: 30
  

  
- Outside Dia: 17.700"
  

  
- Pitch: 1.750 in.
  

## Suggested products:
- [HKK RC140R1A (alt. 140R10) is a 140 size single strand standard ANSI roller chain with 1-3/4" pitch, supplied on a 10 ft reel. It features solid bushings and rollers, pin diameter 0.500", plate height 1.610", roller width 1", plate thickness 0.219", roller diameter 1.000". Average ultimate strength 48,800 lbs, maximum allowable load 11,740 lbs. ANSI B29.1 compliant, made in Japan.](https://www.mrosupply.com/products/2265731/as-markdown/)
- [Martin 140A15 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 15 teeth, and 9.283" outside diameter. Steel flat plate design with no hub, suitable for light-duty applications where weight is a concern.](https://www.mrosupply.com/products/259344/as-markdown/)
- [Martin 140A14 Type A plain bore roller chain sprocket for #140 chain, 1-3/4" pitch, 14 teeth, 8.717" outside diameter, steel construction. Flat plate design with no hub for lightweight applications.](https://www.mrosupply.com/products/259343/as-markdown/)
- [Martin 140A11 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 11 teeth, and 7.010" outside diameter. Steel construction with flat plate design and no hub. Suitable for applications requiring a lightweight, simple sprocket configuration.](https://www.mrosupply.com/products/259340/as-markdown/)
- [Martin 140A13 Type A plain bore roller chain sprocket for #140 chain with 1-3/4" pitch, 13 teeth, and 8.150" outside diameter. Steel construction with flat plate design and no hub, suitable for light-duty applications. Compatible with ANSI B29.1 standard roller chain.](https://www.mrosupply.com/products/259342/as-markdown/)

## Product's reviews:
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Sprocket lm - Good quality product, arrived on time, will continue to buy from this company
- 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
- Plate gear - Just what I ordered at a reasonable price. Thank you, Dallas