The below are American Gold Eagle 1 oz bullion coins. All the precious metals images are apparently from the Public Domain.
Below are pictures of bearings!
Bearings from China -- alibaba.com
^----- a tapered roller bearing, used in wheels of cars.
Copied from wikipedia, an animation of dirt in a ball bearing, look carefully to see the red spot (dirt) on ONE of the steel balls --->
Of course some of the other interesting parameters are thrust (forces in and out of the page) and torque along any axis other than the one around which the races revolve.
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ReplyDeleteInteresting. You must have hit the 'save' button for the article to appear.
ReplyDeleteIt looks like you are linking all these images from somewhere else -- the links take you to wikipedia or some other blog. Can't you upload your own images?