Ball bearing on rotating turntable with trails

2 Apr 2013 What happen if you put a ball bearing on a rotating (78 rpm) turntable. Here you can see what happens with a trail. Better video without trails:

- More Info-

Intelligent bearing on test in Sweden - International Railway Journal

15 Apr 2015 SWEDEN's national passenger operator, SJ, is currently testing SKF's new Insight intelligent bearing on a locomotive-hauled passenger coach.

- More Info-