# Martin 50BS40 1 1/4 Bored-to-Size Sprocket #50 Chain 5/8" Pitch 40 Teeth 1-1/4" Bore Steel - MROSupply.com

***Martin 50BS40 1 1/4 Type B Finished Bore roller chain sprocket for #50 chain (5/8" pitch), 40 teeth, 1-1/4" finished bore with keyway and setscrews, 8.316" outside diameter. Steel construction with single hub on one side. For power transmission drives using ANSI #50 roller chain.***



## Product details:

- Catalog number: 50BS40 1 1/4
- SKU: 262967
- Price: ***$100.34*** 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: 6.000 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: 40
  

  
- Outside Dia: 8.316"
  

  
- Pitch: 0.625 in.
  

  
- Teeth: 40
  

## Suggested products:
- [Martin 50A14 Type A plain bore roller chain sprocket for #50 chain with 5/8" pitch and 14 teeth. Steel construction with flat plate design and no hub for lightweight power transmission. Outside diameter is 3.113".](https://www.mrosupply.com/products/262471/as-markdown/)
- [HKK RC050R1A (50R10) ANSI 50 single strand roller chain, 5/8" pitch, 10 ft reel. Solid bushings and rollers, 0.200" pin diameter, 0.571" plate height, 0.080" plate thickness, 3/8" roller width, 0.400" roller diameter. Average ultimate strength 7,200 lbs, maximum allowable load 1,620 lbs. ANSI B29.1 compliant. Made in Japan.](https://www.mrosupply.com/products/2265642/as-markdown/)
- [Martin 50BS40 1 1/4 Type B Finished Bore roller chain sprocket for #50 chain (5/8" pitch), 40 teeth, 1-1/4" finished bore with keyway and setscrews, 8.316" outside diameter. Steel construction with single hub on one side. For power transmission drives using ANSI #50 roller chain.](https://www.mrosupply.com/products/262967/as-markdown/)
- [Martin 50A15 Type A plain bore roller chain sprocket for #50 chain with 5/8" pitch, 15 teeth, and 3.315" outside diameter. Steel construction with flat plate design and no hub. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.](https://www.mrosupply.com/products/262472/as-markdown/)
- [Martin 50A12 Type A plain bore roller chain sprocket for #50 chain (5/8" pitch), 12 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.708".](https://www.mrosupply.com/products/262469/as-markdown/)

## Product's reviews:
- Martin c5-20t-19-09 - Quality product. Fast shipping!
- Free freight ! - Easy to do business with
- 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
- Durable and high quality - I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.