Metal Ball Caster Free Wheel
Enhance the mobility of your robotics projects with the Metal Ball Caster Free Wheel. Engineered for omni-directional movement, this caster wheel features a 20mm diameter steel ball housed within a robust metal frame, ensuring durability and smooth operation across various surfaces.
Commonly used in line-following robots, obstacle-avoiding vehicles, and automated trolleys, this caster wheel serves as a reliable third or fourth point of contact, complementing your drive wheels for balanced and controlled navigation.
Its compact design allows for easy integration into tight spaces, making it suitable for microcontroller-based platforms like Arduino, Raspberry Pi, and other embedded systems.
✅ Technical Specifications:
| Feature | Specification |
|---|---|
| Ball Diameter | 20mm |
| Material | Steel ball with metal housing |
| Rotation | 360° omni-directional |
| Mounting Hole Diameter | 4mm |
| Mounting Hole Spacing | 40mm center-to-center |
| Overall Dimensions | 48mm (L) x 32mm (W) x 20mm (H) |
| Load Capacity | Up to 15kg |
| Weight | Approximately 37g |
🔧 Applications:
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Arduino and Raspberry Pi robotics projects
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Line-following and obstacle-avoiding robots
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Automated trolleys and carts
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Furniture and equipment requiring smooth movement
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Educational STEM kits and DIY projects
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