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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.
MODEL 2431880
Contact supplier for technical support on: 800-626-2120
$7,589.51 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
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
- 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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