# Kop-Flex 204 KD 20 LS1400 2431278 KD Disc Coupling Size 204 Style KD20 6.62" OD 3.25" Max Bore Rough Bore - MROSupply.com

***Kop-Flex 204 KD 20 LS1400 (Rexnord PN 2431278) KD disc coupling, size 204, style KD20 double-engagement, 6.62" outside diameter, 3.25" max bore, rough bore for customer finishing. Maintenance-free, non-lubricated design with zero backlash for high-performance applications. LS1400 spacer configuration.***



## Product details:

- Catalog number: 2431278
- SKU: 2293937
- Price: ***$4,892.46*** 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: 64.676 lb
- UPC: 662384014099
- 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 (+/-): 0.11
  

  
- Bore Range (in): 1 to 3.25
  

  
- Bore Size Max: 3.25
  

  
- Bore Size Min: 1
  

  
- Bore Type: Rough Bore
  

  
- Configuration: 1 long hub/1 standard hub
  

  
- Coupling Size: 204
  

  
- Coupling Type: Disc Coupling
  

  
- Disc Coupling Type: Spacer Coupling
  

  
- Disc Shape: Scalloped
  

  
- Hub Diameter (in): 4.75
  

  
- Hub Material: Carbon steel
  

  
- Length Through Bore (in): 2.25
  

  
- Length Through Bore (long hub) (in): 3.62
  

  
- Length Through Bore standard hub (in): 2.25
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Max C Bore: 4.5
  

  
- Max Compatible Bore Size (long hub) (in): 3.25
  

  
- Max Torque (ft-lb): 6000
  

  
- Measurement System: Imperial
  

  
- Min Compatible Bore Size (long hub) (in): 1
  

  
- OD: 6.62
  

  
- Rating HP @ 100 RPM: 57.1
  

  
- Speed Max (rpm): 13000
  

  
- Stock C Dimension: 14
  

  
- Style: KD20
  

  
- Torque Rating (in-lb): 36000
  

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

  
- Total Length (Std Hub Post) (in): 19.87
  

  
- Total WR2 (lb-in2): 230
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/20/204%20KD%2020%20LS1400/Form15-111.pdf)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/20/204%20KD%2020%20LS1400%20FB/regalpts_PTS-KD20_STD_MASTER-204_KD20_LS1400_fJODDin.IGS)
- [Catalog Page](https://documents.mrosupply.com/product_documents/30/304%20KD%2020%20LHUB%20FB/KIP04-p36-37.pdf)
- [Installation Manual - Revised 2015](https://documents.mrosupply.com/product_documents/22/94/2294135/multi-brands2F196_U1nfvbW.pdf)