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Due to the impact of snow and other weather related issues, there will likely be delays in the shipment of your order for the next few days. Thank you for your patience!
Due to the impact of snow and other weather related issues, there will likely be delays in the shipment of your order for the next few days. Thank you for your patience!

PG Gearboxes

Original price $74.00 USD - Original price $85.00 USD
Original price $74.00 USD
$74.00 USD - $85.00 USD
$74.00 USD - $85.00 USD
Current price $74.00 USD
The Planetary Gearbox (PG) series of gearboxes feature robust planetary gearing with a hex output shaft.
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  • Description
  • Specifications
  • Documentation
  • The Planetary Gearbox (PG) series of gearboxes feature robust planetary gearing. You asked for it, we delivered. This gearbox features hex output shaft options to easily attach to 3/8 in. or 1/2 in. hex bore wheels, sprockets, and other motion products without the need for adapters.

    The PG Series of Planetary Gearboxes are designed for the following motors for the specific ratios RS775-125 Motor, with Encoder For PG27 Gearbox and RS775-5 Motor, with Encoder For PG71 and PG188 Gearbox.

    Click here for PG Gearmotors (gearbox with motor attached)
    Useful Additional PG Parts: Physical Specifications Common Among all PG Series Gearboxes:
    • Pre-Lubricated Gear Material: Steel and Plastic
    • Body Material: Steel
    • Input Voltage: 12 Volt DC
    • Mounting Holes: 4 x M4-0.7 on 35 mm Bolt Circle, AND 4x #10-32 on 2 in. Bolt Circle.
    PG188 Gearbox Specifications:
    • Exact Gearbox Reduction: (15752961 / 83521) : 1
    • Damaging Torque*: 30 ft/lbf
    • Minimum Backdrive Torque: ~3.5 ft/lbs
    PG71 Gearbox Specifications:
    • Exact Gearbox Reduction: (226233 / 3179) : 1
    • Stall Torque: 16.6 ft/lbf
    • Minimum Backdrive Torque: ~1.3 ft/lbs
    PG27 Gearbox Specifications:
    • Exact Gearbox Reduction: (3249 / 121) : 1
    • Stall Torque: 6.3 ft/lbf
    • Minimum Backdrive Torque: ~0.3 ft/lbs
    FRC Parts Legality:
    The following gearmotors (gearbox + motor) contain or have contained motors with part numbers that have been deemed legal for FIRST Robotics Competition: am-0576, am-0586, am-0629, am-0914, am-0915, am-0939, am-2082, am-2083, am-2084, am-2161. am-2193, am-2193, am-2194, am-2389, am-2542, am-2549, am-2550, am-2765, am-2766, am-2923, am-2924, am-2937, am-2938, am-2971, am-3108, am-3109, am-3183, am-3651, am-3652, am-3653, am-3654, am-3655, am-3656, am-4250, am-4270.
    Variants of these part numbers that include additional letters are also legal.

    *If stalled these gearboxes are capable of breaking themselves and should only be used to reduce speed, not increase torque past 30 ft lbs
    • Damaging Torque: 30 ft-lb [41 N-m]
    • Lubrication: Included with Gearbox, Pre-lubricated Gears
    • Material: Steel
    • Motor Input: PG
    • Motor Quantity: 1
    • Mounting Geometry: 4 10-32 threaded holes on a 2 in. Bolt Circle, 4 M4 x 0.7 Threaded Holes on a 1.378 in. Bolt Circle, Mounting holes for 500 and 775 series motors, 4 10-32 threaded holes on a 2 in. Bolt Circle, 4 M4 x 0.7 Threaded Holes on a 1.378 in. Bolt Circle, 4 10-32 threaded holes on a 2 in. Bolt Circle, 4 M4 x 0.7 Threaded Holes on a 1.378 in. Bolt Circle
    • Overall Depth: 2.892 in., 3.33 in., 3.78 in., 3.787 in., 4.48 in.
    • Ratio: 27:1, 71:1, 188:1
    • Voltage: 12 VDC
    • Weight: 0.85 lbs., 1.2 lbs., 1.4 lbs., 1.7 lbs., 2.0 lbs., 2.3 lbs.
  • CAD Files

    am-3656g PG188 500 hex.STEP
    am-3655g PG71 500 hex.STEP
    am-3654g PG27 500 hex.STEP
    am-3652g PG71 375 hex.STEP
    am-3651g PG27 375 hex.STEP
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