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For Ametric® No. 42 Single Strand Chain with
12.7mm Pitch
7.75mm Roller Width
8.51mm Roller Diameter
7mm Sprocket Single Tooth Width (B1)
65.9 mm Outside Diameter (Approximate) (de)
45 mm Hub Diameter (dn)
10 mm Pilot (MPB) Bore +/-1mm (d1)
28 mm Total Width (A)
015 Teeth