Chain; 50; 5/8" Chain Pitch; Standard; 1 Strand; Carbon Steel; ANSI; 0.4" Roller Diameter; 3/8" Roller Width; 0.08" Plate Thickness; 0.591" Plate Height; 0.2" Pin Diameter; Curved

Roller Chain; 08B-2 Chain Size; Riveted; 12.7MM Chain Pitch; Standard Chain Series; 2 Strand; Carbon Steel; ISO; 8.51MM Roller Diameter; 7.75MM Roller Width; 1.55MM Plate Thickness; 11.7MM Plate Height; Curved; 4.45MM Pin Diameter

Roller Chain; 40; Riveted; 1/2" Chain Pitch; Standard; 1 Strand; Carbon Steel; ANSI; 0.312" Roller Dia; 0.312" Roller Wid; 0.06" Plate Thickness; 0.472" Plate Height; 5/32" Pin Dia