Tapered roller bearings. Are the rollers tapered?
The frustum of the cone can be seen as a right angled trapezoid revolving around the right angle, and the top is a circle. Can also be seen on top of the tip is tapered off, the tapered roller head is not a round face
The cone can be seen as a right angled triangle revolving around a right angle, with a point at the top.
As the name suggests, the roller of tapered roller bearings is conical, rather than a frustum of a cone. The roller of cylindrical roller bearings is cylindrical.
