# Martin SD 1 QD Bushing Type SD 1" Bore Steel Quick Disconnect Bushing - MROSupply.com

***Martin SD 1 Type SD Quick Disconnect bushing with 1" bore, steel construction, and 1/4" x 1/8" keyway. Industry-interchangeable QD bushing for mounting sprockets, sheaves, and couplings. Includes set screws for secure shaft attachment.***



## Product details:

- Catalog number: SD 1
- SKU: 248619
- Price: ***$38.57*** 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 SD](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-sd/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 2.100 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: 1"
  

  
- Keyway: 1/4" x 1/8"
  

  
- Material: Steel
  

## Alternate products to `Martin SD 1 QD Bushing Type SD 1" Bore Steel Quick Disconnect Bushing - MROSupply.com`:
- [TB Woods SD1 Sure-Grip QD bushing in the SD series with a 1" finished bore. Cast-iron construction with standard ANSI keyway and three 1/4-20 capscrews. Rated for 5,000 in-lb torque capacity and 9 ft-lb installation torque. Compatible with conventional or reverse mounting on QD-bored sheaves and sprockets.](https://www.mrosupply.com/products/338162/as-markdown/)
- [U.S. Tsubaki SD-1 SD series QD bushing with 1" bore. Quick-Disconnect split-taper design for secure shaft mounting of QD sprockets and sheaves. Industry-standard QD interchange for easy installation and removal in power-transmission applications.](https://www.mrosupply.com/products/390102/as-markdown/)
- [Dodge 120372 Type SD Quick Disconnect bushing with 1-inch bore and 1/4" x 1/8" keyway, manufactured from ductile iron. Designed for secure shaft mounting of sheaves, sprockets, and couplings in industrial power transmission systems.](https://www.mrosupply.com/products/118628/as-markdown/)

## Product's reviews:
- Solid product at a great price - Solid product, fair and super fast shipping! MROSUPPLY delivers it all!
- Service manager - on time.. great company thanks john gorth
- Bushing - PROMPT SHIPPING AND WELL PACKAGED. THANKS
- 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.