FLEXIBLE COUPLING; TYPE: FLEXIBLE WITH ELEMENT (ELASTOMER) INTERMEDIATE; DIAMETER INTER.-CUBE 1: WITHOUT MACHINING; DIAMETER INTER.-CUBE 2: WITHOUT MACHINING; MAXIMUM SPEED: 5600 RPM; LONG: 5.51; MAXIMUM EXTERNAL DIAMETER: 4.13; REFERENCE DRAWING: N / A; NOMINAL TORQUE MAXIMUM: 4645 LB; MATERIAL: STEEL; HARDNESS OF ELASTOMER (SPIDER): 98 SHORE A; MARK 1: ROTEX; N-PART 1: 48-STYLE 01-ST-98