# TB Woods N512 Sure-Grip QD Bushing - N Series, 5-1/2" Bore - MROSupply.com

***TB Woods N512 Sure-Grip QD bushing in the N series with a 5-1/2" finished bore. Cast-iron body with black-oxide finish and shallow keyway, using four 7/8-9 capscrews torqued to 300 ft-lb. Rated for 150,000 in-lb torque capacity on QD-bored sheaves and sprockets.***



## Product details:

- Catalog number: N512
- SKU: 337956
- Price: ***$1,162.59*** 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 N](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/type-n/)
    - [Quick Disconnect Bushings](htts://www.mrosupply.com/bushings/quick-disconnect-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 50.600 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: 8.5
  

  
- Bore: 5.5
  

  
- Bore (in): 5 1/2
  

  
- Capscrew designation (screw thread size): 7/8 9
  

  
- Capscrew length: 8
  

  
- Design: Standard
  

  
- Dimension: 8.13
  

  
- Hardware: Inch series
  

  
- Installation torque: 300
  

  
- Key size: 31
  

  
- Keyway: SHALLOW
  

  
- Mounting: Standard
  

  
- Number of capscrews: 4
  

  
- Rating (in lbs): 150000
  

  
- Series: Sure-Grip® bushing
  

  
- Size: N
  

  
- TBW group no.: 11320
  

  
- Torque capacity: 150000
  

  
- 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 N512 Sure-Grip QD Bushing - N Series, 5-1/2" Bore - MROSupply.com`:
- [Martin N 5 1/2 Quick Disconnect (QD) bushing, Type N size, 5-1/2" bore, cast iron construction. Industry-interchangeable with Dodge, Browning, Gates QD systems. Features 1-1/4" x 1/4" keyway and setscrews for secure shaft mounting.](https://www.mrosupply.com/products/248249/as-markdown/)
- [Dodge 119958 N x 5-1/2-KW Quick Disconnect (QD) bushing, Type N size, 5-1/2" bore, 4-bolt flange, ductile iron (class 65) construction. Rated for 150,000 lbf torque, 3600 in/lb installation torque. Keyway size 1.25" x 0.875", bore length 8.12".](https://www.mrosupply.com/products/118785/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
- Tb woods - Excelent recomiendo 100%