Climax Metal Products RC-112-S Rigid Coupling 1-1/8 in Bore

Product Description

The CLIMAX METAL PRODUCTS RC-112-S is a set screw rigid coupling designed to connect two shafts with a fixed, non-flexible joint. Constructed from stainless steel, this coupling features a 1-1/8 inch bore, a 2-1/8 inch outside diameter, and a 3 inch body length. The set screw design locks directly onto each shaft, eliminating rotational slippage under load. It is suited for light-to-moderate duty power transmission applications where shaft alignment is precise and a solid mechanical connection is required. Weighing approximately 2.51 pounds, it is a robust, corrosion-resistant option for demanding service environments.

This coupling is used in mechanical and industrial applications where two co-linear shafts must be joined rigidly. Typical install scenarios include pump and motor shaft connections, conveyor drives, and general power transmission assemblies in HVAC, industrial, and process equipment. The stainless steel construction makes it appropriate for corrosive or washdown environments. Installation is performed by machinists, millwrights, or qualified mechanical technicians working with rotating equipment.

Key Features

• 1-1/8 inch bore diameter for direct shaft engagement
• 2-1/8 inch outside diameter with 3 inch body length
• Set screw locking design prevents rotational slippage
• Stainless steel construction for corrosion resistance in harsh or washdown environments
• Rigid coupling style maintains fixed shaft alignment with no flex or angular compensation

Compatibility

Designed as an OEM-style replacement or direct-fit rigid coupling for rotating shaft assemblies requiring a 1-1/8 inch bore with set screw retention.

Installation Notes

Rigid shaft couplings must be installed by a qualified mechanic or millwright. Ensure both shafts are fully de-energized and locked out before installation. Shafts must be precisely aligned before tightening set screws, as this coupling type provides no angular or parallel misalignment compensation. Confirm set screw engagement is centered on each shaft flat or keyway to prevent premature wear or shaft damage.