# Kop-Flex 3F FHUB 1960319 FASTS Gear Coupling Flex Hub, Size 3, 3.125" Max Bore, 9.4375" OD, 4.25" Length Through Bore - MROSupply.com

***Kop-Flex 3F FHUB (Rexnord PN 1960319) Size 3 FASTS gear coupling flex hub, carbon steel, 3.125" max bore, 9.4375" outside diameter, 4.25" length through bore. Designed for FASTS gear couplings with lifetime metallic seal for extended lubricant life and 300% greater lubricant capacity. Suitable for high-torque industrial driveline applications.***



## Product details:

- Catalog number: 1960319
- SKU: 2292884
- Price: ***$477.66*** 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: 20.280 lb
- UPC: 662384103090
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Bore Size Max: 3.125
  

  
- Component Type: Flex Hub
  

  
- Coupling Size: 3
  

  
- Coupling Type: Gear Coupling
  

  
- Height (in): 4.10
  

  
- Length (in): 9.70
  

  
- Length Through Bore (in): 4.25
  

  
- Length Through Bore (mm): 107.95
  

  
- Lube/Non-Lube: Lubricated
  

  
- Material: Carbon steel
  

  
- Max Bore w/standard key: 3.125
  

  
- Measurement System: Imperial
  

  
- Model: FASTS
  

  
- OD: 9.4375
  

  
- Size Code: 3
  

  
- Width: 9.60
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/3F/3F%20FHUB/FORM1900-01.PDF)
- [Catalog Page](https://documents.mrosupply.com/product_documents/4%20/4%201/2F%20FHUB/KIP04-p136.pdf)
- [Installation Manual - Revised 2016](https://documents.mrosupply.com/product_documents/22/93/2293010/multi-brands2F199_krkKRol.pdf)