Golden Bearing Company
Premium industrial distribution with specification-led customer support
Manufacturer Regal Rexnord
Falk Wrapflex
Close-Coupled
Regal Rexnord Falk Wrapflex 40R Elastomeric Coupling
Availability
Confirm at quotation
Regal Rexnord · Falk Wrapflex Series · Size 40R
Rated Torque
9100 lb-in
Maximum Operating Speed
3600 RPM
Coupling Size Designation
40R
Maximum Bore Capacity
3.375 in
- Manufacturer
- Regal Rexnord
- Product Family
- Elastomeric Coupling
- Series
- Falk Wrapflex
- Designation
- 40R
- Configuration
- Close-Coupled
Falk Wrapflex R10 40R close-coupled elastomeric coupling | 9,100 lb-in rated torque, 3,600 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
Size 40R uses a non-lubricated polyurethane wrap element between two hubs with manufacturer-published ratings of 9100 lb-in torque and 3600 RPM speed for close-coupled industrial drives.
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
- 40R
- 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 | 40R |
|---|---|
| Rated Torque (Continuous) | 9100 lb-in |
| Maximum Operating Speed | 3600 RPM |
| Minimum Bore | 1.125 in |
| Maximum Bore Capacity | 3.375 in |
| Assembly Weight (nylon cover, no bore) | 37.6 lb |
| Assembly Weight (steel cover, no bore) | 39.799999999999997 lb |
| Distance Between Shaft Ends (BE) | 7.28 in |
| Minimum shaft gap (GAP) | 1.63 in |
| Cover Fastener | M8 |
| Allen Wrench | M5 |
| 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) | 7.17 in |
|---|---|
| Dimension AA | 6.97 in |
| Dimension B | 7.48 in |
| Distance Between Shaft Ends (BE) | 7.28 in |
| Dimension C | 7.13 in |
| Dimension D | 1.85 in |
| Dimension F | 2.64 in |
| Dimension H | 5.12 in |
| Dimension J | 5.91 in |
| Dimension S | 1.34 in |
| Dimension Z | 2.15 in |
| Minimum shaft gap (GAP) | 1.63 in |
Materials & Configuration
Standard and optional materials, element compounds, and hub types.
Cover Construction
Nylon cover
Cover Fastener
M8 stainless-steel socket button-head cap screw (ISO 7380-A2)
Applications
Size 40R 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 40R?
Falk Wrapflex 40R 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 40R?
The published rated torque (continuous) is 9100 lb-in per manufacturer catalogue data for Falk Wrapflex 40R.
What is the maximum operating speed?
The maximum operating speed is 3600 RPM as published in the engineering specification for Falk Wrapflex 40R.
What is the maximum bore capacity?
Maximum bore capacity is 3.375 in for Falk Wrapflex 40R. 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 40R including bore, cover type, hub arrangement, and quantity. Golden Bearing Company engineering support assists with R10 selection per Catalogue 491-110.