Metric gears are defined by module, which designates the center-to-center distance between successive teeth

Bevel and miter gears have conical faces that operate on intersecting axes.

Hypoid gears have specially formed teeth on a circular face that are driven by a worm-like drive on non-intersecting axes

Gearmotors consist of an AC or DC motor with an integral gearbox or gear head that steps delivered speed up or down

Gears are mechanical devices that transmit power and motion between axes

Specialty or proprietary products and accessories related to gear types

DC motors are most commonly used in variable speed and torque applications.