- This is a used industrial gear set that is in great condition.
The large 111 tooth gear is 9-3/8" O.D. 1" wide and has a 1-1/4" bore.
The small 17 tooth gear is 1-5/8" O.D. 1" wide and has a 10-spline bore with an outer O.D. of 7/8" and an inner O.D. of 3/4"