3d spur gears - Assorted Gears v4 by cbspicer

Six different gear sizes/tooth numbers are provided: 8-tooth, 12-tooth, 16-tooth, 20-tooth, 24-tooth, and 40-tooth. These gears can be combined in different configurations to produce an infinite number of reduction ratios.

Polygon counts range from 992 facets (8-tooth pinion gear) to 5,600 facets (40-tooth spur gear).

SPECIFICATIONS
Teeth: 8, 12, 16, 20, 24, 40
Pitch: 25.6
Pressure Angle: 14.5 deg
Face Width: 5/32 in
Hub Width: 5/16 in
Hub Diameter: 5/16 in
Bore Diameter: 3/16 in