
Shelled N20 Gear Motor 5V 90RPM Waterproof Large Torque Slow Motor DIY
PKR 350
Waterproof shelled N20 gear motor, 5V 90RPM, 3mm D-shaft. High torque, slow speed micro DC motor for outdoor robotics and DIY projects.
Description
Shelled N20 Gear Motor – Waterproof, High Torque, Compact
The Shelled N20 Gear Motor (5V 90RPM) is a high-torque, slow-speed micro DC reduction motor completely enclosed in a protective outer casing. Combining a miniature N20 core motor with an all-metal gearbox, this module delivers immense twisting power at a steady 90 RPM. Its unique waterproof shelled enclosure shields the delicate inner gears and electrical terminals from moisture and dust, making it the premier choice for demanding outdoor robotics and manual DIY hardware projects.
Specifications
- Cover Shell Size: 12.7mm × 14.6mm × 29.2mm
- Output Shaft Diameter: 3mm (D-shaft)
- Output Shaft Length: 7mm
-
Voltage / Speed Options:
- 3V → 50 RPM
- 5V → 90 RPM
- 6V → 100 RPM
- Gear Type: All-metal gearbox
- Protection: Waterproof shelled enclosure
- Lead Wires: Red (+) / Black (−) pre-soldered
Applications
- Outdoor robotics & 4WD vehicles
- Camera sliders & pan-tilt mechanisms
- Smart locks & actuators
- DIY manual mechanisms requiring high torque at low speed




