# Martin 40BS17 1 1/4 Bored-to-Size Sprocket #40 Chain 1/2" Pitch 17 Teeth 1-1/4" Bore Steel - MROSupply.com

***Martin 40BS17 1 1/4 Bored-to-Size (BS) roller chain sprocket for #40 chain (1/2" pitch). Type B with hub one side, 17 teeth, 1-1/4" finished bore with keyway and setscrews. Steel construction, 2.975" outside diameter. Direct replacement for***



## Product details:

- Catalog number: 40BS17 1 1/4
- SKU: 261367
- Price: ***$32.37*** 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 Finished Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/finished-bore-sprockets/type-b-finished-bore-sprockets/)
    - [Finished Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/finished-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: 0.880 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bore: 1-1/4"
  

  
- Material: Steel
  

  
- Number Of Teeth: 17
  

  
- Outside Dia: 2.975"
  

  
- Pitch: 0.500 in.
  

  
- Teeth: 17
  

## Suggested products:
- [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 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 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/)
- [HKK RC040R1A (alt. 40R10) is a standard ANSI 40 single strand roller chain with 1/2" pitch, 10 ft reel. Features solid bushings and rollers, pin diameter 0.156", plate height 0.457", roller diameter 0.312", roller width 5/16". Average ultimate strength 4,300 lbs, maximum allowable load 940 lbs. ANSI B29.1 compliant, made in Japan.](https://www.mrosupply.com/products/2265612/as-markdown/)
- [Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED](https://www.mrosupply.com/products/2182855/as-markdown/)

## Product's reviews:
- Works great - Works perfect and made my gokart way faster
- Service manager - on time.. great company thanks john gorth
- High quality - strong material
- Martin c5-20t-19-09 - Quality product. Fast shipping!