Golden Bearing Company
Premium industrial distribution with specification-led customer support
Manufacturer Regal Rexnord
Falk Wrapflex
Close-Coupled
Regal Rexnord Falk Wrapflex 20R Elastomeric Coupling
Availability
Confirm at quotation
Regal Rexnord · Falk Wrapflex Series · Size 20R
Rated Torque
2800 lb-in
Maximum Operating Speed
4500 RPM
Coupling Size Designation
20R
Maximum Bore Capacity
2.375 in
- Manufacturer
- Regal Rexnord
- Product Family
- Elastomeric Coupling
- Series
- Falk Wrapflex
- Designation
- 20R
- Configuration
- Close-Coupled
Falk Wrapflex R10 20R close-coupled elastomeric coupling | 2,800 lb-in rated torque, 4,500 RPM max
- Product Type
- Elastomeric Coupling
- Industry
- General industrial
- Standard
- Falk Wrapflex Catalog 491-110
Why Source Through Golden Bearing Company
Authorised industrial distributor
Engineering Support
Duty review, bore selection, and application engineering assistance
Authorised Manufacturer Data
Specifications published exactly as manufacturer catalogue data
Technical Assistance
Configuration, interchangeability, and spare element guidance
Product Overview
Falk Wrapflex R10 size 20R is a close-coupled elastomeric coupling rated at 2800 lb-in continuous torque and 4500 RPM maximum operating speed with replace-in-place polyurethane element service.
Commercial Identification
Authoritative procurement identifiers for ERP, RFQ, and purchase order entry. Copy values directly where shown.
- Manufacturer
- Regal Rexnord
- Product Family
- Elastomeric Coupling
- Series
- Falk Wrapflex
- Designation
- 20R
- Configuration
- Close-Coupled
Engineering Specifications
Manufacturer-published performance ratings and compliance data. Values match the authoritative product record without modification.
Performance Ratings
| Coupling Size Designation | 20R |
|---|---|
| Rated Torque (Continuous) | 2800 lb-in |
| Maximum Operating Speed | 4500 RPM |
| Minimum Bore | 0.75 in |
| Maximum Bore Capacity | 2.375 in |
| Assembly Weight (nylon cover, no bore) | 12.4 lb |
| Assembly Weight (steel cover, no bore) | 13.4 lb |
| Distance Between Shaft Ends (BE) | 5.12 in |
| Minimum shaft gap (GAP) | 1 in |
| Cover Fastener | M6 |
| Allen Wrench | M4 |
| Bore Fit Arrangement | AGMA Class 1 clearance-fit bore standard with two setscrews (one over keyway and one at 90 degrees) for 5R-50R per Catalogue 491-110. |
| Cover Construction | Nylon cover standard; epoxy-coated steel cover optional (5R-50R). |
Alignment & Compliance
Dimensions
Physical envelope and mounting dimensions for layout, guard design, and system integration.
| Overall length (A) | 4.96 in |
|---|---|
| Dimension AA | 4.88 in |
| Dimension B | 5.2 in |
| Distance Between Shaft Ends (BE) | 5.12 in |
| Dimension C | 4.8 in |
| Dimension D | 1.26 in |
| Dimension F | 1.77 in |
| Dimension H | 3.62 in |
| Dimension J | 4.0199999999999996 in |
| Dimension S | 0.98 in |
| Dimension Z | 1.46 in |
| Minimum shaft gap (GAP) | 1 in |
Materials & Configuration
Standard and optional materials, element compounds, and hub types.
Cover Construction
Nylon cover
Cover Fastener
M6 stainless-steel socket button-head cap screw (ISO 7380-A2)
Applications
Size 20R is commonly applied across Per Manufacturer Catalogue Selection Guidance. Published standards compliance includes Falk Wrapflex Catalog 491-110. Verify duty conditions against the full engineering specification tables below before final selection.
Per Manufacturer Catalogue Selection Guidance
Frequently Asked Questions
Engineering and procurement answers for specification review and quotation.
What is the manufacturer part number for Falk Wrapflex 20R?
Falk Wrapflex 20R is available for quotation and engineering configuration. Submit an RFQ with the size designation, bore requirements, cover type, and application duty for procurement assistance.
What is the rated continuous torque for Falk Wrapflex 20R?
The published rated torque (continuous) is 2800 lb-in per manufacturer catalogue data for Falk Wrapflex 20R.
What is the maximum operating speed?
The maximum operating speed is 4500 RPM as published in the engineering specification for Falk Wrapflex 20R.
What is the maximum bore capacity?
Maximum bore capacity is 2.375 in for Falk Wrapflex 20R. Final bore, keyway, and hub type are selected at order configuration.
Who manufactures this coupling?
Regal Rexnord manufactures this product. Golden Bearing Company supplies and supports configuration, quotation, and application guidance.
Which dimensional standard applies?
Published dimensional standard compliance is Falk Wrapflex Catalog 491-110. Refer to the dimensions table for envelope values.
Brand Information
Regal Rexnord products supplied and supported through Golden Bearing Company for engineering selection and quotation.
Request an Engineering Quote
Request a configuration quote for Falk Wrapflex R10 20R including bore, cover type, hub arrangement, and quantity. Golden Bearing Company engineering support assists with R10 selection per Catalogue 491-110.