# Martin 40B70 Type B Plain Bore Sprocket #40 Chain 1/2" Pitch 70 Teeth Steel 11.433" OD - MROSupply.com

***Martin 40B70 Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 70 teeth, steel construction, 11.433" outside diameter. Single-strand design with hub on one side for re-boring flexibility. Minimum plain bore allows custom machining to required shaft size.***



## Product details:

- Catalog number: 40B70
- SKU: 262018
- Price: ***$87.84*** 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: 11.000 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: 70
  

  
- Outside Dia: 11.433"
  

  
- Pitch: 0.500 in.
  

## Suggested products:
- [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 40B70 Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 70 teeth, steel construction, 11.433" outside diameter. Single-strand design with hub on one side for re-boring flexibility. Minimum plain bore allows custom machining to required shaft size.](https://www.mrosupply.com/products/262018/as-markdown/)
- [HKK RC040R1A 40R10 ANSI 40 single strand roller chain, 1/2" pitch, 10 ft reel. 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/)
- [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 40A12 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 12 teeth, 2.166" 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/261212/as-markdown/)

## Product's reviews:
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- Nice sprocket - sprocket is very nice.
- 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
- Good stock - I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.