# Kop-Flex 303 KD 2 SHUB 1963743 KD Disc Coupling Standard Hub, Size 303, Style KD2, 4.75" Max Bore, 3.38" Length Through Bore - MROSupply.com

***Kop-Flex 303 KD 2 SHUB (Rexnord PN 1963743) Size 303 KD Disc Coupling Standard Hub for Style KD2 double-flex spacer couplings, 4.75" max bore, 3.38" length through bore. Maintenance-free design requires no lubrication and provides high torsional stiffness for misalignment compensation in industrial drivetrains.***



## Product details:

- Catalog number: 1963743
- SKU: 2294194
- Price: ***$2,659.23*** 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: 37.000 lb
- UPC: 662384100440
- 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): 1.5 to 4.75
  

  
- Bore Size Max: 4.75
  

  
- Bore Type: Rough Bore
  

  
- Component Type: Standard Hub
  

  
- Coupling Size: 303
  

  
- Coupling Type: Disc Coupling
  

  
- Height (in): 4.30
  

  
- Hub Material: Carbon steel
  

  
- Length (in): 9.60
  

  
- Length Through Bore (in): 3.38
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Max C Bore: 6.44
  

  
- Measurement System: Imperial
  

  
- Min Compatible Bore Size (in): 1.5
  

  
- Overall Length (in): 3.38
  

  
- Rough Bore: 1.5
  

  
- Speed Max (rpm): 10000
  

  
- Style: KD2
  

  
- Width: 9.40
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/30/303%20KD%202%20SHUB/Form15-111.pdf)
- [Catalog Page](https://documents.mrosupply.com/product_documents/15/153%20KD%202%20LS500/KIP04-p34-35.pdf)
- [Installation Manual - Revised 2015](https://documents.mrosupply.com/product_documents/22/94/2294135/multi-brands2F196_U1nfvbW.pdf)