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Kop-Flex 254 KD 20 SS900 FB (Rexnord PN 2431021) Size 254 KD Disc Coupling, Style KD20 double-engagement, 9.00" short spacer, finished bore, 7.88" OD, 4" max bore. Maintenance-free, non-lubricated design with zero backlash for high-performance applications. Patented disc technology ensures reliable torque transmission without lubrication.
MODEL 2431021
Contact supplier for technical support on: 800-626-2120
$7,211.41 Each
Prices are subject to change
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Returnable:No
Axial Capacity (+/-)
0.14
Bore Range (in)
1 to 4
Bore Size Max
4
Bore Size Min
1
Bore Type
Finished Bore
Configuration
2 standard hubs
Coupling Size
254
Coupling Type
Disc Coupling
Hub Material
Carbon steel
Length Through Bore standard hub (in)
2.88
Lube/Non-Lube
Non-Lubricated
Max C Bore
5.5
Max Torque (ft-lb)
8667
Measurement System
Imperial
OD
7.88
Rating HP @ 100 RPM
82.5
Speed Max (rpm)
11200
Stock C Dimension
9
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)
14.76
Total WR2 (lb-in2)
510
- Spacer coupling with factory-assembled center section for easy assembly.
- Specifically engineered to meet API 610 specifications.
- HT (High Torque) disc packs for medium and heavy duty applications.
- Meet AGMA Class 9 balance off the shelf, and may be balanced to AGMA Class 10 or 11.
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