# Kop-Flex 2B FHUB 1961523 Model B Gear Coupling Flex Hub, Size 2, 6" OD, 2.125" Max Bore - MROSupply.com

***Kop-Flex 2B FHUB (Rexnord PN 1961523) Size 2 Model B gear coupling flex hub, 6" outside diameter, 2.125" max bore, 2.0938" length through bore. Carbon steel construction for reliable power transmission in industrial drivelines. Designed for use with Model B gear couplings, providing a flexible connection that accommodates misalignment while transmitting torque.***



## Product details:

- Catalog number: 1961523
- SKU: 2293205
- Price: ***$313.16*** 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: 5.100 lb
- UPC: 662384302097
- 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: 2.125
  

  
- Bore Type: Rough Bore
  

  
- Component Type: Flex Hub
  

  
- Configuration: Full Flex
  

  
- Coupling Size: 2
  

  
- Coupling Type: Gear Coupling
  

  
- Height (in): 2.90
  

  
- Hub Diameter (in): 2.875
  

  
- Length (in): 4.50
  

  
- Length Through Bore (in): 2.0938
  

  
- Length Through Bore (mm): 53.18125
  

  
- Lube/Non-Lube: Lubricated
  

  
- Material: Carbon steel
  

  
- Max Bore w/standard key: 2.125
  

  
- Measurement System: Imperial
  

  
- Model: Model B
  

  
- OD: 6
  

  
- Size Code: 2
  

  
- Sleeve Outside Diameter (in): 6
  

  
- Speed Max (rpm): 9300
  

  
- Tooth Profile: Straight
  

  
- Torque Rating (in-lb): 23000
  

  
- Width: 4.50
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/2B/2B%20FHUB/FORM1900-01.PDF)
- [Catalog Page](https://documents.mrosupply.com/product_documents/1%20/1%201/2B%20EB%20FF/KIP04-p157.pdf)
- [Installation Manual - Revised 2016](https://documents.mrosupply.com/product_documents/22/93/2293010/multi-brands2F199_krkKRol.pdf)