Roller Chain Sprocket; 40 Chain; 25 Teeth; 1 Row of Teeth; No Hardened Teeth; 4.258" Outside Diameter; 3.989" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain; 40 Chain Size; Riveted; 1/2" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 0.312" Roller Diameter; 0.312" Roller Width; 0.06" Plate Thickness; 0.472" Plate Height; Curved; 5/32" Pin Diameter

Chain Link; 40 Chain Size; Cottered; 1/2" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 0.312" Roller Diameter; 0.312" Roller Width; 0.06" Plate Thickness; 0.472" Plate Height; Curved; 5/32" Pin Diameter

Chain Link; 40 Chain Size; Spring Clip; 1/2" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 0.312" Roller Diameter; 0.312" Roller Width; 0.06" Plate Thickness; 0.472" Plate Height; Curved; 5/32" Pin Diameter

Chain Link; 40 Chain Size; Spring Clip; 1/2" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 0.312" Roller Diameter; 0.312" Roller Width; 0.06" Plate Thickness; 0.472" Plate Height; Curved; 5/32" Pin Diameter