# TB Woods SD178 Sure-Grip QD Bushing - SD Series, 1-7/8" Bore - MROSupply.com

***TB Woods SD178 Sure-Grip QD bushing in the SD series with a 1-7/8" finished bore. Cast-iron body with black-oxide finish and shallow keyway, using three 1/4-20 capscrews for the industry-standard QD interface on sheaves and sprockets. Rated for 5,000 in-lb torque capacity with 9 ft-lb installation torque.***



## Product details:

- Catalog number: SD178
- SKU: 338229
- Price: ***$41.99*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [TB Woods](https://www.mrosupply.com/brands/tb-woods/)
- 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: 1.000 lb
- Technicall support: contact supplier for technical support on 888-829-6637


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


## Product attributes;

  
- Bolt circle: 2.69
  

  
- Bore: 1.875
  

  
- Bore (in): 1 7/8
  

  
- Capscrew designation (screw thread size): 1/4-20
  

  
- Capscrew length: 1.875
  

  
- Design: Standard
  

  
- Dimension: 1.81
  

  
- Hardware: Inch series
  

  
- Installation torque: 9
  

  
- Key size: 11
  

  
- Keyway: SHALLOW
  

  
- Mounting: STD or REV
  

  
- Number of capscrews: 3
  

  
- Rating (in lbs): 5000
  

  
- Series: Sure-Grip® bushing
  

  
- Size: SD
  

  
- TBW group no.: 11310
  

  
- Torque capacity: 5000
  

  
- Type: OD
  
## Product documents / software:

- [Catalog Product Section](https://documents.mrosupply.com/product_documents/N4/N412/sec-a1_yYxsZio.pdf)
- [Full Catalog](https://documents.mrosupply.com/product_documents/N4/N412/p-1687-tbw_ORsxZDt.pdf)
- [Installation And Maintenance Manual](https://documents.mrosupply.com/product_documents/N4/N412/p-5070-tbw_46RSr5N.pdf)
## Alternate products to `TB Woods SD178 Sure-Grip QD Bushing - SD Series, 1-7/8" Bore - MROSupply.com`:
- [Martin SD 1 7/8 Quick Disconnect (QD) bushing, Type SD, 1-7/8" bore, ductile iron construction. Industry-interchangeable QD bushing for sprockets, sheaves, and couplings. Includes 1/2" x 1/16" keyway and set screws.](https://www.mrosupply.com/products/248634/as-markdown/)
- [U.S. Tsubaki SD-1P SD-series Quick-Disconnect bushing with 1-7/8" bore. Provides secure shaft mounting for QD sprockets and sheaves with industry-standard interchangeability.](https://www.mrosupply.com/products/390051/as-markdown/)

## Product's reviews:
- Muy buen servicio y rapidez en la entrega - Primera vez q compro con esta compañía, recomiendo ampliamente comprar con ellos y claro q volveria a comprar otra vez muy buen servicio y entrega rapida
- Sleeve - Thanks for quick service and delivery was not long!
- Sales - I have all good experiences with your staff.
Thank you for the support.
- Didn’t use yet - I really didn’t use them yet but the belts I received were actually Carlisle belts which are made by Timken. I had ordered a belt that I knew was Carlisle at the same time to try out the difference brands and it was the same belt. The only difference was the TB Woods belt was $10 more per belt so you might as well just buy the Carlisle/ Timken directly.