# Martin 6J PB Quadra-Flex Coupling Hub Size 6J Plain Bore Steel 4.000" OD - MROSupply.com

***Martin 6J PB Quadra-Flex coupling hub, size 6J plain bore, steel construction with 4.000" outside diameter. Designed for Quadra-Flex flexible couplings, this hub accepts JEM, JEMS, EM, E, N, H, and HS elastomeric sleeves to transmit torque and accommodate angular, parallel, and axial misalignment in industrial power transmission systems.***



## Product details:

- Catalog number: 6J PB
- SKU: 249999
- Price: ***$33.40*** 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: 1.400 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: 4.000"
  


## Product's reviews:
- Nice sprocket - sprocket is very nice.
- Has the parts - Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- 21 tooth 12 dp spur gear - The 21 tooth 12 DP gear I bought arrived very quickly.
It was exactly what I needed to fix my RV slide out.
I had to machine it to fit, but I knew that when I ordered it.
VERY SATISFIED!!!