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Rexnord elastomeric WRAPflex® Coupling has made it that simple! Its unique patent-pending design makes it easy, cost-effective and simple to use in your plant. Standard couplings include two steel hubs, one polyurethane element & one nylon cover with screws.



Instructions: Use coupling calculator at the bottom of the page to size coupling.
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Rexnord/Falk 10R-10 Build-A-Coupling, Wrap-Flex, 1,125 Inch lbs. Rexnord/Falk 20R-10 Build-A-Coupling, Wrap-Flex, 2,800 Inch lbs.
Rexnord/Falk 10R-10 Build-A-Coupling, Wrap-Flex, 1,125 Inch lbs.
Our Price: $44.27 Total Including Selected Options
Rexnord/Falk 20R-10 Build-A-Coupling, Wrap-Flex, 2,800 Inch lbs.
Our Price: $52.27 Total Including Selected Options
Rexnord/Falk WRAPflex Coupling
Steel Hubs, Polyurethane Element, Nylon Cover & Stainless Steel Set Screws
Max Torque: 1,125 Inch lbs.
Rexnord/Falk WRAPflex Coupling
Steel Hubs, Polyurethane Element, Nylon Cover & Stainless Steel Set Screws
Max Torque: 2,800 Inch lbs.
Rexnord/Falk 30R-10 Build-A-Coupling, Wrap-Flex, 4,600 Inch lbs. Rexnord/Falk 360571 Cover, 5R, Nylon w/SS Set Screws
Rexnord/Falk 30R-10 Build-A-Coupling, Wrap-Flex, 4,600 Inch lbs.
Our Price: $66.26 Total Including Selected Options
Rexnord/Falk WRAPflex Coupling
Steel Hubs, Polyurethane Element, Nylon Cover & Stainless Steel Set Screws
Max Torque: 4,600 Inch lbs.
Rexnord/Falk WRAPflex Nylon Cover
Note: Set screws are not included with this item, but are included with the elements.
Rexnord/Falk 360572 Cover, 10R, Nylon w/SS Set Screws Rexnord/Falk 360573 Cover, 20R, Nylon w/SS Set Screws
Rexnord/Falk WRAPflex Nylon Cover
Note: Set screws are not included with this item, but are included with the elements.
Rexnord/Falk WRAPflex Nylon Cover
Note: Set screws are not included with this item, but are included with the elements.
Rexnord/Falk 436990 Cover, 30R, Nylon w/SS Set Screws Rexnord/Falk 436991 Cover, 40R, Nylon w/SS Set Screws
Rexnord/Falk WRAPflex Nylon Cover
Note: Set screws are not included with this item, but are included with the elements.
Rexnord/Falk WRAPflex Nylon Cover
Note: Set screws are not included with this item, but are included with the elements.
Rexnord/Falk 5R-10 Build-A-Coupling, Wrap-Flex, 550 Inch lbs. Rexnord/Falk 789006 Element, 5R, Polyurethane
Rexnord/Falk 5R-10 Build-A-Coupling, Wrap-Flex, 550 Inch lbs.
Our Price: $35.82 Total Including Selected Options
Rexnord/Falk WRAPflex Coupling
Steel Hubs, Polyurethane Element, Nylon Cover & Stainless Steel Set Screws
Max Torque: 550 Inch lbs.
Rexnord/Falk WRAPflex Polyurethane Replacement Element
Rexnord/Falk 789007 Element, 10R, Polyurethane Rexnord/Falk 789008 Element, 20R, Polyurethane
Rexnord/Falk WRAPflex Polyurethane Replacement Element Rexnord/Falk WRAPflex Polyurethane Replacement Element
Rexnord/Falk 789009 Element, 30R, Polyurethane Rexnord/Falk 789010 Element, 40R, Polyurethane
Rexnord/Falk WRAPflex Polyurethane Replacement Element Rexnord/Falk WRAPflex Polyurethane Replacement Element
   
 
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COUPLING CALCULATOR
Horsepower:

Service Factors

Centrifugal 1.00
Centrifugal VFD 1.25
Boiler Feed 1.50
Gear, Rotary, Vane 1.25
Piston Pump 1 Cyl. 3.00
Piston Pump 2 Cyl. 2.00
Piston Pump 3 Cyl. 1.50
Progressing Cavity 1.25
Vacuum Pump 1.25
RPM: 
Service Factor:
Torque (In. lbs.) = 

 

Coupling Specifications

Size Torque Rating Max RPM Max Bore
5R 550 4500 1.625"
10R 1,125 4500 1.750"
20R 2,800 4500 2.250"
30R 4,600 4500 2.875"
40R 9,100 3600 3.375"
50R 22,200 3000 4.125"
60R 35,500 2500 5.250"
70R 70,900 2100 6.125"
80R 133,000 1800 7.250"