# TB Woods JA78 Sure-Grip QD Bushing - JA Series, 7/8" Bore - MROSupply.com

***TB Woods JA78 Sure-Grip QD bushing in the JA series with a 7/8" finished bore. Cast-iron body with standard ANSI keyway and three 10-24 capscrews for conventional or reverse mounting. Rated for 1,750 in-lb torque capacity with 5 ft-lb installation torque.***



## Product details:

- Catalog number: JA78
- SKU: 337113
- Price: ***$22.68*** 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 JA](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-ja/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 0.800 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: 1.66
  

  
- Bore: 7/8 in
  

  
- Bore (in): 7/8
  

  
- Capscrew designation (screw thread size): 10-24
  

  
- Capscrew length: 1
  

  
- Design: Standard
  

  
- Dimension: 1
  

  
- Hardware: Inch series
  

  
- Installation torque: 5
  

  
- Key size: 3/16 x 3/32
  

  
- Keyway: Standard
  

  
- Mounting: STD or REV
  

  
- Number of capscrews: 3
  

  
- Rating (in lbs): 1750
  

  
- Series: Sure-Grip® bushing
  

  
- Size: JA
  

  
- TBW group no.: 11310
  

  
- Torque capacity: 1750
  

  
- 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 JA78 Sure-Grip QD Bushing - JA Series, 7/8" Bore - MROSupply.com`:
- [Martin JA 7/8 QD bushing with 7/8" bore and 3/16" x 3/32" keyway. Steel construction for durability. Interchangeable with Dodge, Browning, and Gates QD systems. Torque rating: 1,000 in-lb. Requires JA bushing hardware (sold separately).](https://www.mrosupply.com/products/247721/as-markdown/)
- [U.S. Tsubaki JAP JA series QD bushing with 1-inch bore. Single-screw taper design for secure shaft mounting of QD sprockets, sheaves, and couplings. Compact and easy to install, suited for light- to medium-duty power transmission applications.](https://www.mrosupply.com/products/390003/as-markdown/)
- [Browning JA 7/8 1074707 Q-D Quick Disconnect bushing with 7/8-inch bore and 1.375-inch outer diameter. Steel construction with keyway for secure shaft mounting. JA series fits small-diameter shafts in light-duty applications. Compatible with all Browning Q-D bushed sheaves, sprockets, and pulleys.](https://www.mrosupply.com/products/2272658/as-markdown/)

## Product's reviews:
- Sales - I have all good experiences with your staff.
Thank you for the support.
- 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
- Great service! - It was all sent perfectly and on time
- Sleeve - Thanks for quick service and delivery was not long!