Roller Chain; 25 Chain Size; Riveted; 1/4" Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ANSI; 0.13" Roller Diameter; 1/8" Roller Width; 0.03" Plate Thickness; 15/64" Plate Height; Curved; 0.091" Pin Diameter

Roller Chain Sprocket; 25 Chain; 18 Teeth; 1 Row of Teeth; No Hardened Teeth; 1.568" Outside Diameter; 1.44" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material