Pitch: 1"
Chain Size: 80
Number Of Teeth: 57
Bore: 1-7/16"
Keyway: 3/8 X 3/16"
Plate Thickness: .575
Pitch Diameter: 18.54
Outside Diameter: 18.73
Interchange: Martin 80BS57 1-7/16"
Length Through Bore: 2"
Weight: 48.9
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