# Martin 40BS30 1 Bored-to-Size Sprocket #40 Chain 1/2" Pitch 30 Teeth 1" Bore Steel - MROSupply.com

***Martin 40BS30 1 Type B finished bore roller chain sprocket for #40 chain (1/2" pitch), 30 teeth, 1" bore with keyway and setscrews. Steel construction with 5.057" outside diameter. Single-strand design with hub on one side for standard mounting applications.***



## Product details:

- Catalog number: 40BS30 1
- SKU: 261589
- Price: ***$89.06*** 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: 2.800 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"
  

  
- Material: Steel
  

  
- Number Of Teeth: 30
  

  
- Outside Dia: 5.057"
  

  
- Pitch: 0.500 in.
  

  
- Teeth: 30
  

## Suggested products:
- [Martin 40A14 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch) with 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 2.491". Compatible with ANSI B29.1 standard chain.](https://www.mrosupply.com/products/261214/as-markdown/)
- [Martin 40A13 Type A plain bore roller chain sprocket for #40 chain with 1/2" pitch, 13 teeth, and 2.329" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.](https://www.mrosupply.com/products/261213/as-markdown/)
- [Martin 40A112 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 112 teeth, 18.121" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket where hub projection is not needed.](https://www.mrosupply.com/products/261211/as-markdown/)
- [Martin 40BS30 1 Type B finished bore roller chain sprocket for #40 chain (1/2" pitch), 30 teeth, 1" bore with keyway and setscrews. Steel construction with 5.057" outside diameter. Single-strand design with hub on one side for standard mounting applications.](https://www.mrosupply.com/products/261589/as-markdown/)
- [Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED](https://www.mrosupply.com/products/2182855/as-markdown/)

## Product's reviews:
- 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.
- Free freight ! - Easy to do business with
- Plate gear - Just what I ordered at a reasonable price. Thank you, Dallas
- 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