# Martin 7S 1 3/8 Coupling Hub Size 7S 1-3/8" Bore Steel 4.625" OD for Quadra-Flex Martin-Flex Go-Flex - MROSupply.com

***Martin 7S 1 3/8 steel coupling hub for Quadra-Flex, Martin-Flex, or Go-Flex flexible shaft couplings. Size 7S, 1-3/8" bore, 4.625" outside diameter. Requires separate QD bushing (Type S, torque rating 625,000 in-lb) for shaft mounting.***



## Product details:

- Catalog number: 7S 1 3/8
- SKU: 250108
- Price: ***$47.72*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Hubs](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/components/hubs/)
    - [Components](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/components/)
    - [Elastomeric Sleeve Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Weight: 2.600 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
  

  
- Outside Dia: 4.625"
  


## Product's reviews:
- Free freight ! - Easy to do business with
- Service manager - on time.. great company thanks john gorth
- Martin flex sleeve - Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!
- High quality - strong material