Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 172
and by the observance of certain principles.In the first place it must be remembered that each ball can rollabout but one axis at a time; that axis must be determined andthe points of contact located accordingly. Secondly, the pressure should be approximately normal to thesurfaces at the points of… … 72. Journal Bearings.—These may be either two, three orfour point, so named fromthe number of points of con-tact of each ball. The axis of the ball maybe assumed as parallel or in-clined to the axis of the jour-nal and the points of contactarranged accordingly. Thesimplest form consists of a plain…
Machine design
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