Couplings Our couplings are available in other bore sizes and styles and also can come with induction hardened teeth. All SpecsRoller Chain Coupling for Sprockets Rubber Couplings Roller Chain Coupling for Sprockets Covers Product Gallery Roller Chain Couplings Roller Chain Couplings Shaft Couplings Shaft Couplings Roller Chain Couplings shell Roller Chain Couplings shell