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For Ametric® No. 3042 Triple Strand Chain with
12.7mm Pitch
7.75mm Roller Width
8.51mm Roller Diameter
7mm Sprocket Single Tooth Width (B1)
35mm Sprocket Triple Tooth Width (B3)
123 mm Outside Diameter (Approximate) (de)
95 mm Hub Diameter (dn)
20 mm Pilot (MPB) Bore +/-1mm (d1)
55 mm Total Width (A)
029 Teeth