PG Gearboxes

$69.00 – $80.00

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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...Read More

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Product Overview

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

Specifications

  • Damaging Torque : 30 ft lbs
  • 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: 12V DC
  • Weight: 0.85 lbs, 1.2 lbs, 1.4 lbs, 1.7 lbs, 2.0 lbs, 2.3 lbs

Returns

Returns are accepted within 30 days of purchase.
View our return policy here.

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