Chain Link; 81 Chain Size; Cottered; 12.7MM Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ISO; 23.114MM Roller Diameter; 26.924MM Roller Width; 8.128MM Plate Thickness; 31.242MM Plate Height; Curved; 11.176MM Pin Diameter

Roller Chain; 81 Chain Size; Cottered; 12.7MM Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ISO; 23.114MM Roller Diameter; 26.924MM Roller Width; 8.128MM Plate Thickness; 31.242MM Plate Height; Curved; 11.176MM Pin Diameter

Roller Chain; 81X Chain Size; Riveted; 2-39/64" Chain Pitch; Heavy Conveyor Chain Series; 1 Strand; Carbon Steel; ANSI; 0.91" Roller Diameter; 1.06" Roller Width; 0.16" Plate Thickness; 1.13" Plate Height; Straight; 0.437" Pin Diameter