# Kop-Flex 3 1/2H MMHUB14 2284834 Series H Gear Coupling Mill Motor Hub, Size 3.5, 6.503" OD, 5" Length Through Bore, Carbon Steel - MROSupply.com

***Kop-Flex 3 1/2H MMHUB14 (Rexnord PN 2284834) is a Size 3.5 Series H gear coupling mill motor hub designed for NEMA 14 mill-motor frames. This carbon steel hub has a 6.503" outside diameter and a 5" length through bore. It provides a direct-fit replacement for competitor gear coupling hubs in sizes 1-7.***



## Product details:

- Catalog number: 2284834
- SKU: 2291955
- Price: ***$1,276.13*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [KOP-FLEX](https://www.mrosupply.com/brands/kop-flex/)
- Category: 
    - [Hubs](htts://www.mrosupply.com/shaft-couplings-and-collars/gear-couplings/components/hubs/)
    - [Components](htts://www.mrosupply.com/shaft-couplings-and-collars/gear-couplings/components/)
    - [Gear Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/gear-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Weight: 30.998 lb
- UPC: 662384460216
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Bolt Type: Exposed/Shrouded
  

  
- Component Type: Mill Motor Hub
  

  
- Coupling Size: 3.5
  

  
- Coupling Type: Gear Coupling
  

  
- Height (in): 7.70
  

  
- Includes: Mill Motor Hub
  

  
- Length (in): 8.90
  

  
- Length Through Bore (in): 5
  

  
- Length Through Bore (mm): 127
  

  
- Lube/Non-Lube: Lubricated
  

  
- Material: Carbon steel
  

  
- Max Bore w/standard key: 4.5
  

  
- Measurement System: Imperial
  

  
- Model: Series H
  

  
- OD: 6.503
  

  
- Series: Series H
  

  
- Size Code: 3.5
  

  
- Width: 8.70
  
## Product documents / software:

- [  Instruction Sheet](https://documents.mrosupply.com/product_documents/3%20/3%201/2H%20MMHUB14/FORM1912-01.PDF)
- [Catalog Page](https://documents.mrosupply.com/product_documents/3H/3H%20MMHUB0304/KIP04-p171.pdf)
- [Installation Manual - Revised 2016](https://documents.mrosupply.com/product_documents/22/92/2292232/multi-brands2F200_ATLe8g6.pdf)