Climax Metal Products RC-050-S-KW Rigid Coupling Keyway

Product Description

The CLIMAX METAL PRODUCTS RC-050-S-KW is a set screw rigid coupling with keyway, designed to create a fixed, zero-backlash connection between two shafts or between a shaft and a rotating component. It features a 0.5 inch bore, 1 inch outside diameter, and an overall length of 1.5 inches. The keyway measures 0.125 inches wide by 0.0625 inches deep, allowing a key to be used alongside the set screws for positive torque transmission. Constructed from stainless steel, this coupling is suited for applications where corrosion resistance is a priority. Licensed millwrights, HVAC mechanics, and industrial maintenance technicians typically install this type of component during shaft assembly and alignment work.

This coupling is appropriate for light-to-medium duty shaft connections in HVAC equipment, pumps, fans, and general mechanical assemblies where both bore-to-shaft alignment and rotational lock are required. The keyway configuration is particularly useful in applications where sustained torque loads or reversing loads could cause a set-screw-only coupling to slip over time. It is well suited for residential and light commercial mechanical systems as well as industrial maintenance applications requiring a stainless steel component for corrosion resistance in wet or chemically active environments.

Key Features

• 0.5 inch bore with 1 inch outside diameter for compact shaft coupling
• Keyway slot (0.125 inches wide x 0.0625 inches deep) provides positive torque transmission alongside set screws
• Stainless steel construction offers corrosion resistance in wet or harsh environments
• 1.5 inch coupling length distributes clamping force along the shaft
• Set screw retention allows secure, tool-accessible fastening without special tooling
• Part of the RC series from CLIMAX METAL PRODUCTS for consistent dimensional standards

Compatibility

Designed as an OEM-style rigid coupling for 0.5 inch diameter shafts in mechanical drive assemblies requiring a keyway interface. Consult shaft and driven-component specifications to confirm bore, keyway dimensions, and outside diameter clearance before installation.

Installation Notes

Installation should be performed by a qualified millwright or mechanical technician. De-energize and lock out all power to the equipment before installing or removing shaft couplings per applicable LOTO procedures. Confirm shaft and bore dimensions and keyway alignment before seating the coupling; do not force the coupling onto the shaft. Torque set screws to the fastener manufacturer specification for the screw size used, and verify shaft alignment after final assembly.