Ametric&reg; 60A14 Inch ANSI 60-1 Plate Steel Sprocket, For #60 Single Strand Chain with, 3/4" Pitch, 1/2" Roller Width, 0.469" Roller Diameter, 0.457" Single Tooth Width (B1), 0.457" Sprocket Tooth Face Width (B1), 3.701 Inch Outside Diameter (Approximate) (de), Without Hub (Plate Type), 5/8 Inch approximate Pilot hole / bore +/- 1/16 inch (d1) , 0.457" Inch Total Width (A), 014 Teeth,(Mfg Code 1-084)