O-ring chains feature rubber seals between the pin link and roller link plates. These seals help keep the lubrication in and contaminants such as dirt or dust out. Dimensions are given in inches.
|40 O-Ring||N/A .500||N/A 0.313||N/A 0.312||N/A 0.472||N/A 0.059||N/A 0.788||N/A 4,080 lb|
|50 O-Ring||N/A 0.625||N/A 0.375||N/A 0.400||N/A 0.591||N/A 0.078||N/A 0.921||N/A 6,770 lb|
|60 O-Ring||N/A .750||N/A 0.500||N/A 0.469||N/A 0.713||N/A 0.094||N/A 1.134||N/A 9,640 lb|
|80 O-Ring||N/A 1.000||N/A 0.625||N/A 0.625||N/A 0.949||N/A 0.126||N/A 1.442||N/A 16,320 lb|