# Martin 180B12 Type B Plain Bore Sprocket #180 Chain 2-1/4" Pitch 12 Teeth Steel - MROSupply.com

***Martin 180B12 Type B Plain Bore roller chain sprocket for #180 chain, 2-1/4" pitch, 12 teeth, steel construction. Outside diameter: 9.747". Type B design features a hub on one side, supplied with a minimum plain bore for custom machining to required shaft size. Suitable for heavy-duty industrial drives where re-boring is needed.***



## Product details:

- Catalog number: 180B12
- SKU: 259828
- Price: ***$567.73*** 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: 32.000 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: 12
  

  
- Outside Dia: 9.747"
  

  
- Pitch: 2.250 in.
  

## Suggested products:
- [Martin 180B12 Type B Plain Bore roller chain sprocket for #180 chain, 2-1/4" pitch, 12 teeth, steel construction. Outside diameter: 9.747". Type B design features a hub on one side, supplied with a minimum plain bore for custom machining to required shaft size. Suitable for heavy-duty industrial drives where re-boring is needed.](https://www.mrosupply.com/products/259828/as-markdown/)
- [Martin 180A13 Type A plain bore roller chain sprocket for #180 chain with 2-1/4" pitch, 13 teeth, steel construction, and flat plate design with no hub. Outside diameter: 10.479". Suitable for light-duty power transmission applications where weight and space are critical.](https://www.mrosupply.com/products/259807/as-markdown/)
- [Martin 180A12 Type A plain bore roller chain sprocket for #180 chain with 2-1/4" pitch, 12 teeth, and 9.747" outside diameter. Flat plate design with no hub, steel construction. Suitable for heavy-duty power transmission applications.](https://www.mrosupply.com/products/259806/as-markdown/)
- [HKK RC180R1A (alt. 180R10) is a 180 single strand standard ANSI roller chain with 2-1/4" pitch, supplied on a 10 ft reel. It features solid bushings and rollers, pin diameter 0.687", plate height 2.067", plate thickness 0.283", roller diameter 1.406", roller width 1-13/32". Average ultimate strength 77,700 lbs, maximum allowable load 17,730 lbs. ANSI B29.1 compliant, made in Japan.](https://www.mrosupply.com/products/2265757/as-markdown/)
- [Martin 180A14 Type A plain bore roller chain sprocket for #180 chain with 2-1/4" pitch and 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 11.208". Direct replacement for industry-standard Type A sprockets.](https://www.mrosupply.com/products/259808/as-markdown/)

## Product's reviews:
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- Perfect - Perfect replacement part, Good purchase experience. I would use MRO again.
- 70 tooth #41 chain sprocket - The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
- Flexible coupler - Very fast and reliable shipping.