# Kop-Flex 4 HG EB MM FHWF FB HG2284594 Series HG Gear Coupling Hub Size 4 Extended Bore Finished Bore Mill Motor Hub - MROSupply.com

***Kop-Flex 4 HG EB MM FHWF FB (HG2284594) Series HG gear coupling hub, size 4, extended bore, finished bore, mill motor hub. Rugged steel construction for high-torque industrial power transmission, accommodating misalignment in demanding applications. Designed as a drop-in replacement for competitor gear coupling sizes 1–7, this hub integrates with Series H sleeves for reliable performance.***



## Product details:

- Catalog number: HG2284594
- SKU: 96698106
- Price: ***$2,176.74*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [KOP-FLEX](https://www.mrosupply.com/brands/kop-flex/)
- Category: 
    - [Complete Units](htts://www.mrosupply.com/shaft-couplings-and-collars/gear-couplings/complete-units/)
    - [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
- UPC: 662384008401
- 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 Circle: 11
  

  
- Bolt Type: Exposed Bolt
  

  
- Bore Size Max: 4.88
  

  
- Bore Type: Finish Bore
  

  
- Compatible Bore Size [Min] (in): 2.5
  

  
- Compatible Bore Size [Min] (mm): 63.5
  

  
- Configuration: Flex Half
  

  
- Coupling Size: 4
  

  
- Coupling Type: Gear Coupling
  

  
- Fastener Quantity: 8
  

  
- Fastener Size: 0.75 x 3.375
  

  
- Hub Diameter (in): 8.25
  

  
- Includes: Mill motor Hub, Sleeve & Fastener
  

  
- Length Through Bore (in): 4.75
  

  
- Length Through Bore (mm): 120.65
  

  
- Material: Medium Carbon Steel
  

  
- Max Bore w/standard key for Flex Hub: 4.88
  

  
- Measurement System: Imperial
  

  
- OD: 12.5
  

  
- Rating HP @ 100 RPM: 374.45
  

  
- Sleeve Type: Flanged
  

  
- Speed Max (rpm): 3600
  

  
- Tooth Profile: Crown faced, Involute Tooth
  

  
- Torque [Max] (in-lb): 472000
  

  
- Torque Rating (in-lb): 236000