# Martin 100A70 Type A Plain Bore Roller Chain Sprocket #100 Chain 1-1/4" Pitch 70 Teeth Steel 28.583" OD - MROSupply.com

***Martin 100A70 Type A plain bore roller chain sprocket for #100 chain with 1-1/4" pitch, 70 teeth, and 28.583" outside diameter. Steel flat plate design with no hub for light-duty drives where weight savings is critical. No bushing required; plain bore accepts shaft directly.***



## Product details:

- Catalog number: 100A70
- SKU: 258550
- Price: ***$744.96*** 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 A Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-a-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: 113.000 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: 28.583"
  

  
- Pitch: 1.250 in.
  

## Suggested products:
- [HKK RC100R1A (alt. 100R10) is a 100 single strand roller chain with 1-1/4" pitch on a 10 ft reel. Features solid bushings and rollers, 0.375" pin diameter, 1.154" plate height, 0.750" roller diameter, 3/4" roller width, and 0.156" plate thickness. Average ultimate strength 26,200 lbs, maximum allowable load 6,600 lbs. ANSI B29.1 compliant. Made in Japan.](https://www.mrosupply.com/products/2265703/as-markdown/)
- [Martin 100A10 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 10 teeth, steel construction. Flat plate design with no hub, 4.597" outside diameter. For light-duty power transmission applications where weight savings are critical.](https://www.mrosupply.com/products/258492/as-markdown/)
- [Martin 100A12 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 12 teeth, steel construction. Flat plate design with no hub, 5.415" outside diameter. Suitable for applications requiring a lightweight, compact sprocket that can be bored to size.](https://www.mrosupply.com/products/258494/as-markdown/)
- [Martin 100A13 Type A plain bore roller chain sprocket for #100 chain, 1-1/4" pitch, 13 teeth, 5.821" outside diameter. Steel flat plate design with no hub for lightweight applications. Suitable for standard roller chain drives where re-boring is not required.](https://www.mrosupply.com/products/258495/as-markdown/)
- [Martin 100A70 Type A plain bore roller chain sprocket for #100 chain with 1-1/4" pitch, 70 teeth, and 28.583" outside diameter. Steel flat plate design with no hub for light-duty drives where weight savings is critical. No bushing required; plain bore accepts shaft directly.](https://www.mrosupply.com/products/258550/as-markdown/)

## Product's reviews:
- Works great - Works perfect and made my gokart way faster
- Electric motor pulley sheave - Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- 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