Roller Chain Sprocket; 40-2 Chain; 19 Teeth; 2 Row of Teeth; Hardened Teeth; 3.292" Outside Diameter; 3.038" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Chain Link; 40-2 Chain Size; Spring Clip; 1/2" Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ANSI; 0.312" Roller Diameter; 5/16" Roller Width; 0.06" Plate Thickness; 0.475" Plate Height; Curved; 5/32" Pin Diameter