Elastic backlash free coupling - Reliable torque transmission - Maintenance free - Low inertia/size - Easy to assemble, even in confined spaces - Reduces vibration - Materials: Hub- Aluminium Ring- Polyurethane 98 Shore A (Red) Applications - Metrology, control systems, driving, machine tools, driving lead screws Characteristics - Hardwearing - Secured by a clamping hub - Coupling mounted under pre-tension - Shafts must have g6 or h7 tolerance - Degrease surfaces before assembly Bore - Choose ØD1 and ØD2 from within the range shown Option - Keyway according to DIN6885-1