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This product has been replaced by am-3987
AM Planetary Gearbox - am-0002 - migrated

AM Planetary Gearbox

by AndyMark
$75.00 USD
$75.00 USD - $75.00 USD
$75.00 USD
$29.00 USD
$29.00 USD - $29.00 USD
$29.00 USD

The information provided on this page is retained for posterity.

This product is no longer for sale at AndyMark and has been replaced by am-3987

This product is currently unavailable for purchase

SKU am-0002
  • Description
  • Specifications
  • Product Usage:
    All AndyMark gearboxes require grease for proper operation and long life. We suggest using our red tacky grease, am-2768. We also encourage that the user powers the gearbox continuously for 30 minutes without grease to allow the gear teeth to wear in. While we do design with short run times in mind, this 'run in' period for smooth gearbox operation, is recommended. Once this is completed, thorough grease of the gear teeth periodically to ensure smooth operation.

    Single speed planetary gearbox, with the same mounting and output interface as a 2.5 in. CIM motor. Each planet gear has its own bearing to spin freely on the carrier plate pins. A 2.5 in. CIM Motor may also be used as the motor input, but requires this pinion gear ( am-0556) and a CIM Spacer (am-0555).
    Motor Input: Included Hardware:
    • Two - 8mm id ball bearings, (19mm od, 22mm od) supporting output shaft
    • One - Steel planet and sun gears, 32 dp, 20 degree p.a.
    • Five - Planet gears (12 tooth)
    • One - 15 tooth sun gear, with 0.125 inch bore
    • One - 40 tooth ring gear
    Performance Data:
    (with the input being a 9015 Fisher-Price motor)
    • Input voltage: 12 volts
    • Stall Torque: 1.12 ft-lb.
    • Free speed: approximately 4,000 rpm
    Made in the USA:
    Bearings and screws were not made in the USA. All other components were designed, manufactured and assembled in the United States of America.

    Assembly Tip:


    Install the aluminum plate to the face of the motor BEFORE pressing the pinion gear onto the motor shaft.
    • Material: Body is aluminum, shaft is 4140 steel
    • Mounting Holes: #10-32 tapped holes (2), on a 2 in. bolt circle to attach at output shaft
    • Outside Diameter: 2.5 in.
    • Ratio: 3.67:1
    • Shaft Diameter: 0.313 in. with 2 mm keyway
    • Weight: 0.63 lbs.
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