# Martin M 3 7/16 QD Bushing Type M 3-7/16" Bore Cast Iron Keyway 7/8" x 7/16" - MROSupply.com

***Martin M 3 7/16 Type M Quick Disconnect bushing with 3-7/16" bore, cast iron construction, and 7/8" x 7/16" keyway. For mounting sprockets, sheaves, and pulleys on shafts. Industry-interchangeable with Dodge, Browning, and Gates QD systems.***



## Product details:

- Catalog number: M 3 7/16
- SKU: 247760
- Price: ***$590.20*** 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 M](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-m/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 48.780 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: 3-7/16"
  

  
- Keyway: 7/8" x 7/16"
  

  
- Material: Cast Iron
  

## Alternate products to `Martin M 3 7/16 QD Bushing Type M 3-7/16" Bore Cast Iron Keyway 7/8" x 7/16" - MROSupply.com`:
- [Browning M 3 7/16 Q-D Quick Disconnect bushing with 3-7/16-inch bore and 6.5-inch outer diameter. Gray iron construction with keyway and 6.76-inch length through bore. M series Q-D bushing allows fast installation and removal without disturbing surrounding components. Compatible with all Browning Q-D bushed sheaves, sprockets, and pulleys.](https://www.mrosupply.com/products/2287809/as-markdown/)
- [Dodge 119916 M Type Quick Disconnect (QD) bushing with 3-7/16" bore and 7/8" x 7/16" keyway. Ductile iron construction for strength and durability in power transmission shaft mounting. 4-bolt flange design provides secure, concentric clamping on driven shafts.](https://www.mrosupply.com/products/118894/as-markdown/)
- [TB Woods M3716 Sure-Grip QD bushing in the M series with a 3-7/16" finished bore. Cast-iron body with standard ANSI keyway and four 3/4-10 capscrews, rated for 125,000 in-lb torque capacity. Designed for the industry-standard QD interface on sheaves, sprockets, and couplings.](https://www.mrosupply.com/products/339545/as-markdown/)

## Product's reviews:
- Works great - Works perfect and made my gokart way faster
- Durable and high quality - I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.
- 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.