The wheels made of the popular Non-Marking polyurethane rubber type,absorbs shock and vibrations. Ball bearing and dual locking bring a max loading capacity and safety. Swivel casters rotate 360 ...

Also, before you jump in, know that cat wheels make noise — at least this one does. I used a heavy-duty caster and roller ball bearing to support and roll the wheel, and that ball bearing on ...

Inspired by a Samsung prototype that never made it to market, it works by the wheels working against the machine’s low centre of gravity, and using a tilt sensor to control speed. The ball ...