# Kop-Flex 404 KD 21 SHUB FB 2437861 KD Disc Coupling Standard Hub, Finished Bore, 5.5" Max Bore, 4.62" Length Through Bore, Style KD21 - MROSupply.com

***Kop-Flex 404 KD 21 SHUB FB (Rexnord PN 2437861) Size 404 KD Disc Coupling Standard Hub with finished bore, 5.5" maximum bore capacity and 4.62" length through bore. Style KD21 double-engagement hub for maintenance-free disc coupling applications requiring no lubrication. Designed for high-performance flexible disc coupling systems.***



## Product details:

- Catalog number: 2437861
- SKU: 2294426
- Price: ***$2,286.17*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [KOP-FLEX](https://www.mrosupply.com/brands/kop-flex/)
- Category: 
    - [Double Disc Spacer Type](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/complete-units/double-disc-spacer-type/)
    - [Complete Units](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/complete-units/)
    - [Disc Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Weight: 74.000 lb
- UPC: 662384013641
- 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 Range (in): 2.5 to 5.5
  

  
- Bore Size Max: 5.5
  

  
- Bore Type: Finished Bore
  

  
- Component Type: Standard Hub
  

  
- Coupling Size: 404
  

  
- Coupling Type: Disc Coupling
  

  
- Hub Material: Carbon steel
  

  
- Length Through Bore (in): 4.62
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Measurement System: Imperial
  

  
- Min Compatible Bore Size (in): 2.5
  

  
- Overall Length (in): 4.62
  

  
- Style: KD21
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/40/404%20KD%2021%20SHUB%20FB/Form15-110.pdf)
- [Catalog Page](https://documents.mrosupply.com/product_documents/15/153%20KD%2021%20SHUB%20FB/KIP04-p38-39.pdf)