# Kop-Flex 204 KD 21 SS700 FB 2429652 KD Disc Coupling, Size 204, Style KD21, 7.00" Short Spacer, Finished Bore - MROSupply.com

***Kop-Flex 204 KD 21 SS700 FB (Rexnord PN 2429652) Size 204 KD disc coupling, Style KD21, 7.00" short spacer, finished bore. Double-engagement, maintenance-free design requires no lubrication and delivers zero backlash with high torsional stiffness. Ideal for high-performance applications demanding precise motion control and reliable power transmission.***



## Product details:

- Catalog number: 2429652
- SKU: 2293995
- Price: ***$3,743.08*** 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: 39.816 lb
- UPC: 662384153316
- 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
  

  
- Bore Size Max: 3
  

  
- Bore Size Min: 1
  

  
- Bore Type: Finished Bore
  

  
- Configuration: 2 standard hubs
  

  
- Coupling Size: 204
  

  
- Coupling Type: Disc Coupling
  

  
- Hub Material: Carbon steel
  

  
- Length Through Bore standard hub (in): 2.38
  

  
- Lube/Non-Lube: Non-Lubricated
  

  
- Max Torque (ft-lb): 6000
  

  
- Measurement System: Imperial
  

  
- Rating HP @ 100 RPM: 57.1
  

  
- Speed Max (rpm): 13000
  

  
- Stock C Dimension: 7
  

  
- Style: KD21
  

  
- Torque Rating (in-lb): 36000
  

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

  
- Total Length (Std Hub Post) (in): 11.76
  

  
- Total WR2 (lb-in2): 160
  
## Product documents / software:

- [ Instruction Sheet](https://documents.mrosupply.com/product_documents/20/204%20KD%2021%20SS700%20FB/Form15-110.pdf)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/20/204%20KD%2021%20SS700/regalpts_PTS-KD21_MASTER-204_KD21_SS700_YyToBZ0.IGS)
- [Catalog Page](https://documents.mrosupply.com/product_documents/15/153%20KD%2021%20SHUB%20FB/KIP04-p38-39.pdf)
## Alternate products to `Kop-Flex 204 KD 21 SS700 FB 2429652 KD Disc Coupling, Size 204, Style KD21, 7.00" Short Spacer, Finished Bore - MROSupply.com`:
- [Kop-Flex 103 KD21 SS500 FB (Rexnord PN 2429629) Size 103 KD Disc Coupling, Style KD21, 5.00" spacer, finished bore, 1.75" max bore. Non-lubricated double-engagement disc coupling provides maintenance-free operation with zero backlash and high torsional stiffness. Ideal for applications requiring precise shaft alignment and reliable torque transmission.](https://www.mrosupply.com/products/2293710/as-markdown/)
- [Kop-Flex 153 KD 21 SS500 FB (Rexnord PN 2429637) Size 153 KD Disc Coupling, Style KD21, 5.00" short spacer, finished bore. Double-engagement, maintenance-free design requires no lubrication. High-performance disc packs accommodate misalignment while transmitting torque in industrial drivelines.](https://www.mrosupply.com/products/2293805/as-markdown/)
- [Kop-Flex 254 KD 21 SS500 FB (Rexnord PN 2429694) Size 254 KD Disc Coupling, Style KD21, with 5.00" short spacer and finished bore. 7.62" outside diameter, 3.75" max bore, maintenance-free non-lubricated design. Double-engagement disc coupling for reliable torque transmission in industrial drivetrains.](https://www.mrosupply.com/products/2294176/as-markdown/)
- [Kop-Flex 204 KD 21 SS500 FB (2429645) Size 204 KD Disc Coupling, Style KD21 double-engagement design, finished bore, 5.00" standard spacer. Maintenance-free, non-lubricated flexible disc coupling with zero backlash and high torsional stiffness. Suitable for industrial driveline applications requiring precision and reliability.](https://www.mrosupply.com/products/2293993/as-markdown/)
- [Kop-Flex 103 KD 21 SS350 FB (Rexnord PN 2429611) Size 103 KD Disc Coupling, Style KD21, 3.50" short spacer, finished bore, 1.75" max bore. Maintenance-free flexible disc design requires no lubrication, providing reliable torque transmission and misalignment accommodation for industrial drivelines.](https://www.mrosupply.com/products/2293708/as-markdown/)
- [Kop-Flex 204 KD 21 SS1000 FB (Rexnord PN 2429678) Size 204 KD21 double-engagement disc coupling with 10.00" spacer, finished bore, and 3" max bore capacity. Non-lubricated, maintenance-free flexible disc design provides high torsional stiffness and accommodates angular, parallel, and axial misalignment. Ideal for pump, compressor, and fan drive applications requiring reliable, zero-backlash power transmission.](https://www.mrosupply.com/products/2293989/as-markdown/)




