# Martin 4040 4 Taper-Lock Bushing 4" Bore Cast Iron 1" x 1/4" Keyway - MROSupply.com

***Martin 4040 4 Taper-Lock bushing with 4" bore, cast iron construction, and 1" x 1/4" keyway. Industry-standard interchangeable taper bushing for mounting sprockets, sheaves, and couplings. 4040 series bushing with 77,300 in-lb torque capacity.***



## Product details:

- Catalog number: 4040 4
- SKU: 249864
- Price: ***$213.77*** 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 4040](htts://www.mrosupply.com/bushings/taper-lock-bushings/type-4040/)
    - [Taper Lock Bushings](htts://www.mrosupply.com/bushings/taper-lock-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 12.000 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bore Size: 4"
  

  
- Keyway: 1" x 1/4"
  

  
- Material: Cast Iron
  

## Alternate products to `Martin 4040 4 Taper-Lock Bushing 4" Bore Cast Iron 1" x 1/4" Keyway - MROSupply.com`:
- [Dodge 117352 4040 X 4-KW Taper-Lock bushing with 4" bore, 5-3/4" OD, and 1" x 1/4" keyway. Cast iron class 30 construction for power transmission shaft mounting. Split taper design with 3-bolt installation, 1700 in/lb installation torque, and 77300 lbf rated torque.](https://www.mrosupply.com/products/119233/as-markdown/)

## Product's reviews:
- Service manager - on time.. great company thanks john gorth
- Free freight ! - Easy to do business with
- 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!
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!