W420 Steel Ball Castor Wheel – 20mm Height, 40mm Mounting Distance

The W420 Steel Ball Castor Wheel is a compact support component designed for small mobile robots and wheeled platforms. It features a durable steel ball mechanism that allows smooth omnidirectional movement with minimal friction. The castor is built with a low-profile 20 mm height and standardized mounting holes for easy integration into robot chassis. Its simple mechanical design ensures stable operation and reliable load support. Ideal for two-wheel drive robots, DIY robotics projects, and educational platforms.

• Steel ball mechanism for omnidirectional movement
  
• Low-friction rolling for smooth navigation
  
• Compact 20 mm height profile
  
• Durable metal ball for extended lifespan
  
• Stable support for two-wheel robot platforms
  
• Standard 3.0 mm mounting holes
  
• 40 mm hole spacing for easy installation
  
• Lightweight construction for mobile robots
  
• Simple mechanical design with no electronics required
  
• Compatible with most small robot chassis
  
• Reduces drag compared to fixed supports
  
• Easy integration into DIY robotics projects
  

• Product type: Steel ball castor wheel
  
• Wheel mechanism: Steel ball
  
• Mounting hole diameter: 3.0 mm
  
• Mounting hole distance: 40 mm
  
• Height: 20 mm
  
• Material: Metal ball with plastic housing
  
• Rotation type: Omnidirectional (360°)
  
• Load support: Light-duty robotic platforms
  
• Friction type: Low-friction rolling contact
  
• Installation type: Screw mounting
  
• Application: Mobile robots and small platforms
  
• Compatibility: Two-wheel drive robot systems

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