PG Gearboxes

Name: PG Gearboxes
Price: 69.00 USD
Availability: InStock

$69.00 – $80.00

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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:

Mounting a PG to a frame, Motor Mount Bracket (am-4244)
Adapting the old 10 mm PG shaft to a 1/2 in. round geometry with a 1/8 in. key, PG Shaft to 1/2 in. with 1/8 in. Machine Key Adapter (am-0996)
If an old 10 mm shaft becomes damaged you can replace it with am-2523
If you need a key for an old style PG gearbox we offer 4 mm x 12 mm Machine Key (am-1249)

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