# Martin F 3 7/8 QD Bushing Type F 3-7/8" Bore Ductile Iron - MROSupply.com

***Martin F 3 7/8 Type F Quick Disconnect bushing with 3-7/8" bore, ductile iron construction, and 1" x 1/8" keyway. For mounting sheaves, sprockets, and pulleys on shafts. Industry-interchangeable with Dodge, Browning, and Gates QD systems.***



## Product details:

- Catalog number: F 3 7/8
- SKU: 247479
- Price: ***$229.91*** 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 F](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-f/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 8.640 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: 3-7/8"
  

  
- Keyway: 1" x 1/8"
  

  
- Material: Ductile Iron
  

## Alternate products to `Martin F 3 7/8 QD Bushing Type F 3-7/8" Bore Ductile Iron - MROSupply.com`:
- [Browning F 3 7/8 1074103 Q-D Quick Disconnect bushing with a 3-7/8-inch bore in the F series. Gray iron construction with a 4.438-inch outer diameter and keyway for positive drive. Compatible with all Browning Q-D bushed sheaves, sprockets, and pulleys for industrial power transmission applications.](https://www.mrosupply.com/products/2287704/as-markdown/)
- [TB Woods F378 Sure-Grip QD bushing in the F series with a 3-7/8" finished bore. Cast-iron body with black-oxide finish and shallow keyway, using three 9/16-12 capscrews for the industry-standard QD interface on sheaves and sprockets. Rated for 40,000 in-lb torque capacity with 110 in-lb installation torque.](https://www.mrosupply.com/products/338413/as-markdown/)
- [U.S. Tsubaki F-3P F-series Quick-Disconnect bushing with 3-7/8" bore. Provides secure shaft mounting for sprockets, sheaves, and power transmission components. Designed for industrial applications requiring reliable torque transmission and easy installation.](https://www.mrosupply.com/products/389859/as-markdown/)

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