Description1911 Britannica - Bearings - Roller and Ball.png
English: An example of a roller bearing for a line shaft. The main casting, A, and cap, C, bolted together, form a spherical seating for the part of the bearing E corresponding to the brasses in a bearing of the usual type. Between the inside of the casting E and the journal are placed rollers held in position relatively to one another by a “squirrel cage” casting, the section of the bars of which are clearly shown in the half sectional elevation.
Illustration from 1911 Encyclopædia Britannica, article Bearings.
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.
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