ed by the use of flat sided balls. The 246 MODERN CAR APPLIANCES AND EQUIPMENT flat sided ball was devised following- an investigationof the, physical properties of balls and plates underload, both below and above the elastic limit; it beingrecognized that stresses in excess of this limit must… … Fig. 5—Flat Sided Balls Used in the Woods Center Bearings. in this illustration are 2^ in diameter and have suffi-cient width to accommodate a 70 ft. car on a 35 degreecurve. The same plate will hold eight full sized ballsof the same diameter, which is less than Yz as many asthe flat sided type. It…
Railroad cars · Railroads
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