# Martin 20C90 Metric C-Hub Roller Chain Sprocket for 20B Chain 31.75 mm Pitch 90 Teeth Steel - MROSupply.com

***Martin 20C90 Metric C-Hub roller chain sprocket for 20B (ISO 606/DIN 8187 metric) chain, 31.75 mm pitch, 90 teeth, steel construction, 930.393 mm outside diameter, 909.755 mm pitch diameter. Welded hub one side for heavy loads and offset mounting applications.***



## Product details:

- Catalog number: 20C90
- SKU: 260005
- Price: ***$2,587.26*** 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 C Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-c-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: 185.250 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: 90
  

  
- Outside Dia: 930.393 mm
  

  
- Pitch: 31.750 mm
  

  
- Pitch Diameter: 909.755 mm
  


## Product's reviews:
- Flexible coupler - Very fast and reliable shipping.
- Works great - Works perfect and made my gokart way faster
- 70 tooth #41 chain sprocket - The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
- 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.