N20 DC Gear Motor Wheel 42mm

The 42mm wheel designed specifically for N20 DC gear motors is an essential component for building compact, agile robots and motorized projects. This precision-molded wheel features a snug D-shaft fit for N20 motor shafts, a textured rubber tire for excellent traction, and a lightweight yet durable construction that ensures reliable performance on smooth and moderately rough surfaces. Available at The Engineer Store, Bengaluru - fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.

Specifications

Key Features

• Perfect N20 Motor Compatibility: 3mm D-shaft bore ensures a secure, wobble-free fit on standard N20 gear motor output shafts without additional adapters.
• 42mm Diameter Sweet Spot: Large enough for smooth rolling and decent ground clearance, yet compact enough for mini-robot and micro-rover designs.
• Rubber Tread for Superior Traction: Textured rubber tire grips smooth floors, tabletops, and lightweight terrain - minimizes slipping during turns and acceleration.
• Lightweight ABS Hub: Keeps rotational inertia low so small N20 motors can accelerate and decelerate quickly, improving responsiveness.
• Press-Fit Installation: Simply push the wheel onto the D-shaft - no set screws, adhesives, or tools required for basic assembly.
• Balanced Construction: Precision-molded for minimal vibration at speed, ensuring smooth and quiet operation.

Why Choose This Wheel?

• 100% authentic from trusted robotics component suppliers
• Designed and sized specifically for the popular N20 micro gear motor family
• Ideal balance of compactness, grip, and weight for small-scale robotics
• 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse across India
• Expert technical support to help you integrate it into your project
• Affordable pricing - buy individually or in bulk for multi-wheel builds

Project Ideas

• Line-Following Robot: Pair two 42mm wheels with N20 gear motors and IR sensors to build a fast, precise line-follower for competitions.
• Bluetooth / Wi-Fi Controlled Car: Build a compact remote-controlled car using an ESP32 or Arduino with an H-bridge driver and two N20 motor-wheel assemblies.
• Maze-Solving Micromouse: The small form factor is ideal for micromouse robots that navigate tight maze corridors autonomously.
• Sumo Bot (Mini Class): Use four wheels for a stable, powerful mini sumo robot with aggressive traction on the dohy ring.
• Differential Drive Platform: Create a two-wheel differential drive base with a caster for learning PID control, odometry, and path planning.
• STEM & Classroom Kits: Perfect for educational robotics kits - students can quickly assemble and experiment with motor-driven vehicles.
• Conveyor or Feeder Mechanisms: Use the rubber-tired wheel as a friction roller in small-scale conveyor belts or paper/card feeders.

How to Use

1. Identify the D-shaft: Locate the flat side of your N20 motor's 3mm output shaft - this ensures proper alignment.
2. Align the Wheel: Match the D-shaped bore of the wheel hub with the motor's D-shaft.
3. Press Fit: Firmly push the wheel onto the shaft until it seats snugly. No tools required for standard fitment.
4. Secure if Needed: For high-vibration or high-torque applications, apply a tiny drop of cyanoacrylate (super glue) or use a small set screw if your hub variant supports one.
5. Mount the Motor: Attach the N20 motor to your chassis using an N20 motor bracket (sold separately) and connect to your motor driver circuit.
6. Test: Power the motor at rated voltage and verify the wheel spins true without wobble. Adjust seating if necessary.

Compatibility Notes

• Fits all

Frequently Asked Questions

Buy N20 DC Gear Motor Wheel 42mm Online in India

Purchase the N20 DC Gear Motor Wheel 42mm online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on N20 DC Gear Motor Wheel 42mm with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy N20 DC Gear Motor Wheel 42mm at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.