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.
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Item #

Pitch (P)

Roller Width (W)

Roller Diameter (D)

Link Plate Height (H)

Link Plate Thickness (T)

Pin Length (E)

Avg. Ultimate Strength

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
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