MINI 3PI Car N20 Caster Robot Ball Wheel

The MINI 3PI Car N20 Caster Robot Ball Wheel is a compact and highly durable support wheel designed for miniature robotic platforms and smart car chassis. Featuring a large 12mm central steel ball supported by four smaller auxiliary steel balls, this caster wheel offers smooth and stable omnidirectional movement, making it ideal for tight-space maneuvering and desktop robot applications.

Manufactured with 304-grade stainless steel components, this wheel ensures corrosion resistance and long-lasting performance. The outer ring is made from sturdy plastic, maintaining a lightweight form factor while withstanding repeated movement. The wheel allows mobile robots to glide smoothly in any direction without friction drag, improving balance and motion control.

🔧 Key Features

• Mini omnidirectional caster ball wheel for smart robots
• Center ball diameter of 12mm with 4 support balls
• Built with rust-proof 304 stainless steel material
• Durable plastic outer ring for lightweight design
• Ideal for MINI 3PI chassis and N20 motor-based bots
• Smooth, multi-directional rolling with minimal friction

📐 Technical Specifications

📌 Applications

• MINI 3PI and N20 motor chassis support
• Desktop robots and smart car kits
• Omnidirectional motion systems
• Lightweight robotic platforms
• DIY and educational robotics projects

💡 Why Choose This Caster Ball Wheel?

This compact N20 caster ball wheel offers smooth, unrestricted motion for small robotics platforms. It reduces friction drag and enhances movement precision — ideal for supporting front or rear balancing in smart cars and educational bots.

📦 Package Includes

• 1 × MINI 3PI Car N20 Caster Robot Ball Wheel