Coupling Rexord Falk is one type of gear coupling that is widely used in various industrial machines. Designed to meet industrial machinery standards. Known for its durability in critical applications, proven performance and versatile design, this clutch is the most frequently determined grid clutch in North America. Rexnord offers a wide range of engine couplings to keep your engine and equipment operating. For hardware, hubs, universal arm extensions, kit pads / seals, gaskets, covers, elements, ring kits, various assemblies, and more.