Text Appearing Before Image: Fig. 8—Multiple Unit car equipped with Timken roller bearings. 5l/2 in.by 10 in. axles. The bearing and box can also be removed by means of asplit housing with pressure applied from a hydraulic jack whichmakes contact with the end of the axle. A flange on the splithousing makes contact with the cone removal sleeve. 88 ROLLER BEARINGS FOR FREIGHT EQUIPMENT While the application of roller bearings to passenger trainequipment is receiving the greatest attention at t:e presenttime from the railroads, the greatest benefits will be obtainedthrough their application to freight train equipment. Text Appearing After Image: Fig. 9—Mallet locomotive tender equipped with Timken bearings. Thisapplication has been in service three and one-half years. 6 in. by11 in. axles. The company with which the author is associated has insuccessful operation a number of 50-ton and 70-ton freight carsembodying an entirely new type of inboard trucks. It is be-lieved that this type of truck can ultimately be built by the carbuilders and railroads including the roller bearings at a costnot greatly exceeding that of the existing type of freight truck.An inboard truck, is one having the bearings mounted in ahousing on the axle inside the wheels, there being no journal
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