Falk™ Wrapflex® 20R Coupling Hubs

Wrapflex® couplings accommodate up to 7-1/4" (186mm) shafts and torque loads up to 133,000 lb.in. For simplicity and cost-effectiveness over the life of your coupling, it just doesn't get any easier than this - Wrapflex® couplings from Rexnord. Wrapflex® couplings allow for 1° angular error and 40/1000's parallel alignment error.

Complete assembly requires (2) hubs and (1) Wrapflex® element. Use with 20R-E Element shown in Related Items this page.
*Maximum HP based on 1.25 factor of safety (1.22 on 5R sizes); normally used for motor-driven centrifugal pumps, gear pumps and rotary vane pumps. Cal for safe maximum HP for other applications.
Manufacturer: Rexnord Couplings
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Part No.CatalogDescriptionPrice
SKU: RN20R-1-1/4Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 1-1/4" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $118.00 / EA
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SKU: RN20R-1-3/8Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 1-3/8" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $118.00 / EA
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SKU: RN20R-1-5/8Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 1-5/8" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $118.00 / EA
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SKU: RN20R-1-7/8Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 1-7/8" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $118.00 / EA
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SKU: RN20R-2-1/8Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 2-1/8" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $119.00 / EA
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SKU: RN20R-2-3/8Catalog: E0493 Description: (1) Falk Wrapflex® Coupling Hub (2 Required), 2-3/8" Bore, 4500 Max RPM, *62 Max HP @ 1750 RPM, 125 Max HP @ 3500 RPM Price: $97.50 / EA
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Additional Information

• "Replace in Place"
• Non-Lubricated / Low Maintenance
• Low Initial Cost
• Easy-to-Install
• 3-Year Heavy-Duty Warranty

Quick, easy installation and replacement set new standards for reduced downtime. Because motors or drives don't need to be moved, these "replace in place" "Wrapflex®" elements even eliminate the need for time-consuming realignment, further reducing downtime.

Easy-to-Install. The compound root radius in the element teeth increases flexibility for easier and quicker assembly. Can be blind assembled from either direction.

Tough, Long-Lasting polyurethane "Wrapflex®" element has excellent wear and chemical resistance, and an operating temperature of -40° F to 200° F. Weather-resistant, high-grade nylon cover is standard.