Mini N20 Robot Ball Caster Wheel 22×15mm, 304 Stainless Steel Ball
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Prices updated: 13 Oct 2026
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About this product
A compact ball caster wheel for mini robot chassis and N20-based platforms. It has a plastic housing and a 304 stainless steel ball, allowing smooth movement in all directions and stable support for small robots. Typically used to balance a two-wheel-drive chassis on flat indoor surfaces.
Specifications
- Size
- 22×15 mm
- Ball material
- 304 stainless steel
- Housing material
- Plastic
- Movement
- Multidirectional
Frequently asked questions
How do I mount a ball caster on a robot chassis?
Fix it to the centre line at the front or rear of the chassis, so the ball touches the ground freely and the drive wheels carry the main load. Check the 22×15 mm size and mounting holes against your chassis before fixing it.
Is it suitable for rough or uneven floors?
It is designed for smooth movement on flat indoor surfaces. On rough terrain the small ball can collect debris or get stuck, so a larger wheel is more suitable there.
