# Martin E50B21H Triple Strand Roller Chain Sprocket Type B Plain Bore 21 Teeth #50 Chain 5/8" Pitch Steel 4.522" OD - MROSupply.com

***Martin E50B21H triple strand roller chain sprocket, Type B plain bore with hub one side, 21 teeth for #50 chain (5/8" pitch). Steel construction with 4.522" outside diameter. Suitable for re-boring to custom shaft sizes.***



## Product details:

- Catalog number: E50B21H
- SKU: 257231
- Price: ***$154.76*** 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 Multi-Strand Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/multi-strand-sprockets/type-b-multi-strand-sprockets/)
    - [Multi-Strand Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/multi-strand-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: 7.430 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: 21
  

  
- Outside Dia: 4.522"
  

  
- Pitch: 0.625 in.
  


## Product's reviews:
- Service - qUICK SERVICE ON THIS ORDER
- Met all expectations - Met all expectations for availability, price, delivery, ease of online store use, and efficient online store.
- Martin s1036 gears - Great Item, for a great deal!
- Nice sprocket - sprocket is very nice.