FIELD: railway transport. SUBSTANCE: side support has pressure part including box and roller. Pressure part is flexible coupled with pocket. Support is arranged inside end part of car frame bolster and is provided with box vertical displacement stop. Roller is installed on axle secured in box walls. Box provided with projections and is installed inside housing with clearance left between housing and box projections. EFFECT: prevention of side support contamination, enhanced dynamic characteristics of rail car and reduced wear of wheel flanges. 6 cl, 3 dwg
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