El Rodamiento, "La Rueda de la Rueda"

A ball bearing could be considered as the wheel of the wheel. It allows an axle to rotate without sliding, but rolling. They can be made of balls, rollers or needles... Thay can be radial or axial. Radial ball bearings: the force applied is parallel to the plane of rotation (i.e. skate wheels); axial ball bearings: the force applied is perpendicular to the plane of rotation (i.e. the axle of a big door) https://en.wikipedia.org/wiki/Ball_be... Patreon ►   / cienciabit   Susbcribe ► https://www.youtube.com/subscription_... Do you want to contribute subtitles? ► http://www.youtube.com/timedtext_cs_p... Cienciabit ► http://www.cienciabit.com Patreon, thanks to: Marc Juan