Precision Gear Heads


Cylindrical gearboxes with coaxial input and output, designed to mount directly to a motor. They do not have an input shaft. The input pinion shaft is integral to the user’s motor shaft.

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1/16” Diameter, Size 11
Motor Pinion Data
Number of Teeth – 13
Diametral Pitch – 120
Pressure Angle - 20°
Testing Pitch Radius - .0542   .0530
Outside Diameter - .1247

Ball Bearings Throughout Unit.
Max Rated Output Torque 65 in-oz
Backlash through entire train less than 30’

1 3/4” Diameter, Size 18
Motor Pinion Data

Number of Teeth – 15
Diametral Pitch – 96
Pressure Angle – 20
Testing Pitch Radius - .0781   .0769
Outside Diameter - .1765

Ball Bearings Throughout Unit.
Max Rated Output Torque 125 in-oz
Backlash through entire train less than 30'

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