Rigid Shaft Coupling Bore Diameter 1 35 mm Bore Diameter 2 35 mm Bore Type Round Clearance Diameter 67 mm Coupling Construction One-Piece Coupling Material Stainless Steel Coupling Outside Diameter 67 mm Different Bore Sizes No Keyway Depth 1 Not Applicable Keyway Depth 2 Not Applicable Minimum Bore Diameter 35 mm Keyway Width 1 Not Applicable Keyway Width 2 Not Applicable Maximum Bore Diameter 35 mm Maximum Speed 4 000 RPM Maximum Torque 330 N-m Overall Length 95 mm