Ametric S1036 Inch Steel Spur MPB Gear, 14-1/2 Deg 10DP, 36 Teeth, 3/4 Inch +/-1/16" Pilot Bore (B), 1" Face Width (F), 2-1/4 Inch Hub Dia (H), 0.875 Inch Hub Projection (P), 1-7/8 Inch total width, 3.8 Inch OD, (1-125)