# Zero-Max B-QD Phas-Lok Coupling Hub for QD Type JA Bushing - MROSupply.com

***Zero-Max B-QD Phas-Lok coupling hub designed for use with QD Type JA bushings. This phasing-style hub provides precise angular adjustment and secure shaft mounting in power transmission applications. Constructed from durable steel for reliable performance.***



## Product details:

- Catalog number: B-QD
- SKU: 2785480
- Price: ***$271.60*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Zero-Max](https://www.mrosupply.com/brands/zero-max/)
- Category: 
    - [Ready Hubs](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/ready-hubs/)
    - [Bushing Hubs and Adapters](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-533-1731


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


## Product attributes;

  
- Bolt Circle (G): 2.875 inches, 73.03 mm
  

  
- Dimension (C): 3.33 inches, 84.53 mm
  

  
- Dimension (D): 0.19 inches, 4.83 mm
  

  
- Dimension (E): 0.52 inches, 13.21 mm
  

  
- Dimension (F): 2.13 inches, 53.98 mm
  

  
- Minimum Sprocket Size for Chain Size 100: 13
  

  
- Minimum Sprocket Size for Chain Size 25: 52
  

  
- Minimum Sprocket Size for Chain Size 35: 32
  

  
- Minimum Sprocket Size for Chain Size 40: 24
  

  
- Minimum Sprocket Size for Chain Size 41: 24
  

  
- Minimum Sprocket Size for Chain Size 50: 21
  

  
- Minimum Sprocket Size for Chain Size 60: 19
  

  
- Minimum Sprocket Size for Chain Size 80: 15
  

  
- Overall Diameter (A): 3.750 inches, 95.25 mm
  

  
- Overall Width (B): 1.72 inches, 43.69 mm
  

  
- Threaded Holes (H): (3) 3/8 in-16 x 1/2 in Deep, (3) 3/8 in-16 x 12.7 mm Deep
  

  
- Use with QD Bushing: "JA" Series, "JA" Series
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/27/85/2785538/Phas-Lok_Installation.pdf)
- [Product Catalog](https://documents.mrosupply.com/product_documents/27/85/2785538/ZeroMax_Phas_Lok.pdf)

## Product's reviews:
- Zero max coupling - EXCELENT JOB
- Zero max coupling - EXCELENT JOB
- Zero max coupling - GOOD JOB
- Happy - I have Not Installed yet
This Looks Good and Everyone is Thrilled