# Kop-Flex 254 KD 20 LL1200 2431880 KD Disc Coupling, Size 254, Style KD20, 12.00" Spacer, 7.88" OD, 4" Max Bore, Non-Lubricated - MROSupply.com

***Kop-Flex 254 KD 20 LL1200 (Rexnord PN 2431880) Size 254 KD disc coupling, Style KD20 double-engagement, 12.00" limited end-float spacer, 7.88" OD, 4" max bore. Maintenance-free, non-lubricated design with zero backlash for high-performance drivelines. Patented disc technology ensures reliable torque transmission without lubrication.***



## Product details:

- Catalog number: 2431880
- SKU: 2294114
- Price: ***$7,589.51*** 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: 106.236 lb
- UPC: 662384014709
- 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 (+/-): 0.14
  

  
- Bore Range (in): 1 to 4
  

  
- Bore Size Max: 4
  

  
- Bore Type: Rough Bore
  

  
- Configuration: 2 long hubs
  

  
- Coupling Size: 254
  

  
- Coupling Type: Disc Coupling
  

  
- Disc Coupling Type: Spacer Coupling
  

  
- Disc Shape: Scalloped
  

  
- Hub Diameter (in): 5.75
  

  
- Hub Material: Carbon steel
  

  
- Length Through Bore (long hub) (in): 4.25
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Max C Bore: 5.5
  

  
- Max Compatible Bore Size (long hub) (in): 4
  

  
- Max Torque (ft-lb): 8667
  

  
- Measurement System: Imperial
  

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

  
- OD: 7.88
  

  
- Rating HP @ 100 RPM: 82.5
  

  
- Speed Max (rpm): 11200
  

  
- Stock C Dimension: 12
  

  
- Style: KD20
  

  
- Torque Rating (in-lb): 52000
  

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

  
- Total Length (Std Hub Post) (in): 20.5
  

  
- Total WR2 (lb-in2): 510
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/25/254%20KD%2020%20LL1200/Form15-111.pdf)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/25/254%20KD%2020%20LL1200/galpts_EMERSON-KD20_STD_MASTER-254_KD20_LL1200_p06CKUK.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)