# U.S. Tsubaki SK-1F QD Bushing, SK Series, 1-3/8" Bore - MROSupply.com

***U.S. Tsubaki SK-1F SK-series Quick-Disconnect bushing with 1-3/8" bore. Precision-machined for secure shaft mounting and easy sprocket or sheave installation. Interchangeable with industry-standard SK QD bushings.***



## Product details:

- Catalog number: SK-1F
- SKU: 389855
- Price: ***$45.04*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [U.S.Tsubaki](https://www.mrosupply.com/brands/ustsubaki/)
- Category: 
    - [Type SK](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-sk/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 3.000 lb
- Technicall support: contact supplier for technical support on 800 323 7790


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


## Product attributes;

  
- Barrel Diameter: 2-13/16 in
  

  
- Bolt Circle Diameter: 3-5/16 in
  

  
- Bore: 1-3/8 in
  

  
- Flange Diameter: 3-7/8 in
  

  
- Flange Thickness: 9/16 in
  

  
- Keyway Size: 5/16 in W x 5/32 in H
  

  
- Number of Bolt Holes: 3
  

  
- Overall Length: 1-15/16 in
  

  
- Screw Size: 5/16 x 2 in
  

  
- Suitable For Use With: Sprockets 101
  

  
- Torque Rating: 7000 in-lb
  

  
- Type: Type SK
  

## Alternate products to `U.S. Tsubaki SK-1F QD Bushing, SK Series, 1-3/8" Bore - MROSupply.com`:
- [Martin SK 1 3/8 Type SK Quick Disconnect bushing with 1-3/8" bore and 5/16" x 5/32" keyway. Steel construction provides 7,000 in-lb torque capacity. Interchangeable with Dodge, Browning, and Gates SK bushings for industrial power transmission applications.](https://www.mrosupply.com/products/248812/as-markdown/)
- [TB Woods SK138 Sure-Grip QD bushing in the SK series with a 1-3/8" finished bore. Cast-iron body with standard ANSI keyway and three 5/16-18 capscrews for conventional or reverse mounting. Rated for 7,000 in-lb torque capacity with 15 in-lb installation torque.](https://www.mrosupply.com/products/340047/as-markdown/)

## Product's reviews:
- Engineer - EXACTLY WHAT WE ORDER EVERY TIME. Quick delivery. MRO is the best!.
- Tsbsb05 shock relay - Had no idea of Miro supply and after exhaustive search on internet came up with Miro Supply as having the item I needed and the price was well below others that I had found for the same item. It arrived in a good timely manner and was as a new item that was described and worked fine and got my smoker back up and running again. Will look at this site for future items that I may need. Thank You and Saved Money Also
- Sprocket - look good and very fast shipping