DC gear-motor PG-P42

planetarycoaxial1 - 5 Nm

Overview
PG-P42 Powder Metallurgy Gear Motor is a configurable 42 mm planetary gear motor designed for motion systems requiring a compact, high-torque-density transmission. It delivers up to 120 kgf·cm continuous torque and 180 kgf·cm momentary torque across configurable gearbox stages, enabling scalable power for robotic actuators, industrial automation and precision drives.

Key Features

• Up to 180 kgf·cm momentary torque
• 42 mm planetary drive with powder-metallurgy gears
• 4-stage transmission architecture with multiple ratio options
• OEM/ODM customization for drive system integration

Performance Parameters (summary)
PG-P42
Gear Stages | 1 | 2 | 3 | 4
Gear Ratio | 3.7, 4.3, 5.2 | 3.7, 16, 18.5, 19.2, 22.4, 27 | 51, 59, 68, 71, 79, 82, 95, 100, 115, 139 | 189, 218, 252, 264, 292, 305, 337, 353, 369, 408, 426, 493, 516, 596, 721
Gear Length (mm) | 34.1 | 43.8 | 56.5 | 66.2
Max. Allowable Continuous Torque (kgf·cm) | 10 | 50 | 60 | 120
Max. Allowable Momentary Torque (kgf·cm) | 15 | 75 | 90 | 180
Efficiency (%) | 90 | 81 | 73 | 65
Motor Length | Depends on the specified motor
Outer Diameter | 42 mm
Gearbox Type | Planetary Structure
Output Shaft Material | Stainless Steel
Output Shaft Bearing Type | Ball Bearings
Gear Material | Iron-based powder metallurgy, plastic, metal
Case Material | Metal
Operating Humidity | 20%–85% RH
Operating Temperature | -30°C–+100°C
Customization | Customization available (design & manufacturing)

Applications
Suitable for robotic actuators, industrial automation, precision drive systems, robotic lawnmowers, humanoid robots and dexterous hands where compact high-torque planetary drives are required.

Technical specifications

• Model series: PG-P42
• Outer diameter: 42 mm
• Available gear stages: 1, 2, 3, 4
• Wide selection of gear ratios across stages (see table above)
• Max continuous torque up to 120 kgf·cm (4-stage)
• Max momentary torque up to 180 kgf·cm (4-stage)
• Efficiency range by stage: 65%–90%
• Gear length range: 34.1 mm to 66.2 mm depending on stages
• Gearbox structure: Planetary
• Output shaft: stainless steel with ball bearings
• Gear materials: iron-based powder metallurgy, plastic, metal
• Case material: metal
• Operating humidity: 20%–85% RH
• Operating temperature: -30°C to +100°C
• OEM/ODM customization for drive systems (design & manufacturing)