# MasterDrive M-A QD Type Weld-On Hub for Quick Disconnect Bushings - MROSupply.com

***MasterDrive M-A QD type weld-on hub for Quick Disconnect bushings. Designed for mounting sheaves, sprockets, or pulleys directly to a shaft via welding. Durable cast iron construction provides a reliable connection in industrial power transmission applications. Accommodates standard QD bushing bores for versatile shaft sizing.***



## Product details:

- Catalog number: M-A
- SKU: 2340011
- Price: ***$531.86*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [MasterDrive](https://www.mrosupply.com/brands/masterdrive/)
- Category: 
    - [Weld-On Hubs](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/weld-on-hubs/)
    - [Bushing Hubs and Adapters](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 50.000 lb
- Technicall support: contact supplier for technical support on 888-922-8767


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


## Product attributes;

  
- Bolt Circle Diameter: 4.625 in
  

  
- Bore Diameter: 2.1875 in
  

  
- Bushing Size: R2
  

  
- Bushing Type: Double Split Tapered Type
  

  
- Finish/Coating: Black Phosphate
  

  
- Keyway Size: 1/2 X 1/4
  

  
- Keyway Type: Standard
  

  
- Length Through Bore: 4.875 in
  

  
- OD: 5.375 in
  

  
- Series: R2 Series
  

  
- Type: Double Split Tapered Bushings
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/M-/M-A/87CFC370EDF9882CB742E7C502FC00D3B43F8349AB9C44_xrl4lXZ.jpg)

## Product's reviews:
- Masterdrive purchase - service and shipment was great
- Masterdrive f 1 3/4" inner qd hub - Used maybe a dozen of these, zero problems. Why pay 50% more for a name brand when these work great?
- Fast - Great price, fast delivery, I struggle greatly with the search engine
- Masterdrive qd hubs - USED THESE FOR YEARS WITH ZERO PROBLEMS! THEIR PRICE HELPS & QUALITY SEEMS EXCELLENT! VERY GOOD VALUE!