# Martin 8S 1 3/8 Coupling Hub Size 8S 1-3/8" Bore Steel 5.450" OD - MROSupply.com

***Martin 8S 1 3/8 steel coupling hub for Quadra-Flex, Martin-Flex, or Go-Flex couplings. Size 8S with 1-3/8" bore, 5.450" outside diameter. Used with QD bushings or finished bore for power transmission applications.***



## Product details:

- Catalog number: 8S 1 3/8
- SKU: 250161
- Price: ***$63.62*** 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: 2.500 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: 5.450"
  

## Alternate products to `Martin 8S 1 3/8 Coupling Hub Size 8S 1-3/8" Bore Steel 5.450" OD - MROSupply.com`:
- [TB Woods 8S138 Sure-Flex Plus Type S flange with 1-3/8" finished bore for Size 8 elastomeric sleeve couplings. High-strength cast-iron construction with setscrew locking. Compatible with EPDM, Neoprene, Hytrel, and Urethane sleeves; rated up to 1,475 in-lb continuous torque with EPDM or Neoprene and 4,530 in-lb with Hytrel.](https://www.mrosupply.com/products/338530/as-markdown/)

## Product's reviews:
- High quality - strong material
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- Great service - Very quick service part was exactly what I needed to get my skid steer going again great product and I will definitely use this business again
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!