Your Planetary Gearbox 3.8:1 #500/600 Source! 
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Planetary Gearbox 3.8:1 #500/600 - Product Image
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Planetary Gearbox 3.8:1 #500/600

Planetary ball bearing gearbox for S-500 thru S-600 motors. Comes with pinion for your motor with 3.2mm shaft. Output shaft diameter is 4mm. These gearbox's are very very smooth and quiet unlike other very similar looking units.


OD of mounting flange: 1.08" (27.5mm)
OD of main gearbox body 1.165" (29.6mm)
OD of motor mounting surface 1.38" (35mm)
Motor Mount Holes: 2 each - 3.3mm (.130"), 25mm on center
Length of gearbox housing 1.44" (36.6mm)
Overall Length W/Shaft 2.050" (52.2mm)
SKU Number: HES38500600

Price: $22.00 

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