Hub, Coupling; 45MM Bore; 70.2MM Hub Diam; Disc Coupling; Hub; Shaft; Finished Bore; Steel; 117.475MM Flange Outside Diam; 117.475MM Outside Diam; 44.45MM Length Thru Bore; L246C; Set Screw; No Bushing; Keyway; 2000 Max Speed; 7800In-Lbs Torque