Rigid Shaft Coupling, Bore Diameter 1 50 mm, Bore Diameter 2 50 mm, Bore Type Round, Clearance Diameter 94.2 mm, Coupling Construction Two-Piece, Coupling Material Stainless Steel, Coupling Outside Diameter 85 mm, Different Bore Sizes No, Keyway Depth 1 Not Applicable, Keyway Depth 2 Not Applicable, Minimum Bore Diameter 50 mm, Keyway Width 1 Not Applicable, Keyway Width 2 Not Applicable, Maximum Bore Diameter 50 mm, Maximum Speed 4,000 RPM, Maximum Torque 675 N-m, Overall Length 124 mm