. Official proceedings . Engine truck axle with bearing partially assembled. BVont trailer assembly, showing lateralmotion device 26 on driver applications are in successful operation in steel milland industrial service at speeds ecjuivalent to over 150 miles anhour. The roller bearing surrounds the axle completely. Thebearing pro^•ides full 180° to take piston thrust in both direc-tions. The bearing encloses the axle at the bottom as well asthe top. These conditions prevent any lifting of the bearingwith respect to the axle and arc a principal influence in eliminat-ing driver bearing pounding
. Official proceedings . Engine truck axle with bearing partially assembled. BVont trailer assembly, showing lateralmotion device 26 on driver applications are in successful operation in steel milland industrial service at speeds ecjuivalent to over 150 miles anhour. The roller bearing surrounds the axle completely. Thebearing pro^•ides full 180° to take piston thrust in both direc-tions. The bearing encloses the axle at the bottom as well asthe top. These conditions prevent any lifting of the bearingwith respect to the axle and arc a principal influence in eliminat-ing driver bearing pounding. Aibration and pounding of mainbearings and rods appears to be eliminated entirely in the rollerl)earing locomotive, this result apparently being influenced bythe relative fixed location of the driver axles, maintaining there-by correct tram between the drivers and the rods. Heating is entirely eliminated, not only on driver but onother wheel bearings on the locomotive. The temperature riseof the driver bearings averages 15 to 20 degrees abo\e atmos-phere. This condit
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