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Black oxide rigid steel coupling with two-piece clamp and keyway

Climax Metal Products

Climax Metal Products 2CC-150-150-KW Rigid Steel Coupling Conduit

SKU CH-M567-EB171

Rigid steel coupling with two-piece clamp design, keyway, and 3,700 in-lb torque rating for 4,000 RPM applications

  • Rigid steel construction resists deformation under heavy loads
  • Two-piece clamp design allows quick installation without shaft disassembly
  • 3,700 in-lb torque capacity handles demanding power transmission
  • 4,000 RPM rating supports high-speed rotating equipment
  • Black oxide finish protects against corrosion in harsh environments

Rigid Steel Coupling for 1-1/2 Inch Shafts

This rigid steel coupling joins two 1-1/2 inch diameter shafts using a two-piece clamp design. A 3/8 inch keyway and black oxide finish suit industrial power-transmission assemblies. The coupling transmits up to 3,700 in-lb of torque at speeds up to 4,000 RPM.

Installation with 1/4-28 Cap Screws

The clamp halves fasten with 1/4-28 screws around the 2.5 inch outside diameter. Ensure both shafts are clean, aligned and fully seated before torquing the screws evenly. Misalignment or loose hardware will cause vibration and premature wear.

Limits of Rigid Coupling Design

This coupling does not accommodate angular, parallel or axial misalignment between shafts. Precision alignment is required to avoid bearing loads and coupling fatigue. The 3,700 in-lb torque ceiling and 4,000 RPM speed limit define the safe operating envelope.

How it compares

Measured against everything we stock in Electrical Conduit & Fittings, at today’s prices. Recalculated every night.

Price $98.99
Pricier than about 85% of the 1,290 comparable items (median $28.99).

Specifications

Product
Brand nameCLIMAX METAL PRODUCTS

Questions about this item

How do I confirm the coupling is installed correctly and transmitting torque up to 3,700 in-lb?

Tighten the 1/4 in.-28 clamp screws evenly, verify the 3/8 in. key engages the shaft keyway, then run the shaft up to 4,000 RPM while checking for vibration or slip.

What components are included and what must I supply separately?

The box contains the two-piece steel clamp coupling with black-oxide finish and the clamping screws; you must provide the shafts, the 3/8 in. key, and any locking adhesive or set screws you prefer.

Which bore size should I select for a 1 1/2 in. shaft?

Choose the 1 1/2 in. bore version so the coupling clamps directly on the shaft without additional bushings.

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