# Kop-Flex 354 KD 21 LL900 FB 2430403 KD Disc Coupling, Size 354, Style KD21, 9.00" Spacer, Finished Bore, 10.5" OD, 5" Max Bore - MROSupply.com

***Kop-Flex 354 KD 21 LL900 FB (Rexnord PN 2430403) Size 354 KD Disc Coupling, Style KD21, with 9.00" limited end-float spacer and finished bore. This double-engagement disc coupling has a 10.5" outside diameter and 5" max bore. It is non-lubricated and maintenance-free, suitable for high-performance industrial applications.***



## Product details:

- Catalog number: 2430403
- SKU: 2294353
- Price: ***$24,895.89*** 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: 183.316 lb
- UPC: 662384012996
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Axial Capacity (+/-): 0.2
  

  
- Bore Range (in): 2 to 5
  

  
- Bore Size Max: 5
  

  
- Bore Size Min: 2
  

  
- Bore Type: Finished Bore
  

  
- Configuration: 2 long hubs
  

  
- Coupling Size: 354
  

  
- Coupling Type: Disc Coupling
  

  
- Hub Material: Carbon steel
  

  
- Length Through Bore (long hub) (in): 4.75
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Max Compatible Bore Size (long hub) (in): 5
  

  
- Max Torque (ft-lb): 25000
  

  
- Measurement System: Imperial
  

  
- Min Compatible Bore Size (long hub) (in): 2
  

  
- OD: 10.5
  

  
- Rating HP @ 100 RPM: 238
  

  
- Speed Max (rpm): 8800
  

  
- Stock C Dimension: 9
  

  
- Style: KD21
  

  
- Torque Rating (in-lb): 150000
  

  
- Total Length (One Hub Reverse) (in): Total Length (One Hub Reverse) (in)
  

  
- Total Length (Std Hub Post) (in): 18.5
  

  
- Total WR2 (lb-in2): 1640
  
## Product documents / software:

- [ Drawing](https://documents.mrosupply.com/product_documents/35/354%20KD%2021%20LL900/M113.gif)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/35/354%20KD%2021%20LL900%20FB/regalpts_PTS-KD21_Master-354_KD21_LL900_Hnphpnq.IGS)
- [Instruction Sheet](https://documents.mrosupply.com/product_documents/35/354%20KD%2021%20LL900/Form15-110.pdf)