Couplings are used to "couple" a pump and motor or engine together. One coupling half slips over the shaft of your engine or motor, one coupling half 

Magnaloy Coupling Hub part numbers may be specified using the following format: Start with letter “M” designating Magnaloy, follow with 3 digit Model Code (100, 200, etc.), next use a single letter Spline Type Identifier Code (“A” for regular spline or “B” for steel bushing), then the specific 4 digit Spline Code. 

If a clamp type coupling is desired, use the letter code “C” after the Spline Code.

Our Steel Bushed Splined Bore Coupling combines all the design and lightweight features of the Magnaloy Coupling with the added spline tooth strength and wear resistance of steel. Under normal conditions the standard “Splined Bore” coupling will perform satisfactorily. The addition of the “Clamp Feature” compensates for various fit conditions. When heavy cyclic loads, reverse loading and high torque loads exist in combination with fit variations, spline tooth failures and fretting can be corrected by utilizing Magnaloy’s steel bushed coupling. Of course, to achieve optimum benefits, Magnaloy’s clamp feature is recommended - assuring accurate centering and positive retention of the coupling on the shaft.

Use under normal conditions

Use under normal conditions 

for improved shaft alignment

Use under heavy cyclic loads, reverse loading, and high torque loads

Use under heavy cyclic loads, reverse loading, and high torque loads for improved shaft alignment

Our full range of flexible inserts permit custom design performance for a wide range of applications. All insert materials offer complete electrical insulation, as our factory design eliminates all metal-to-metal contact. Which Coupling Insert you select will vary based on the application, but the series of your Coupling Insert must match the series of the Coupling Halves. For example, a 200 Series Coupling must use a 200 Series Coupling Insert.