FIELD: railway transport; freight car bogie.
SUBSTANCE: invention relates to design of two-axle bogies of freight cars equipped with flexible rolling side bearers 6 fastened to overspring beams 3 of freight car bogies. Holes for fitting side bearer fastening bolts 17 are provided with clearances making it possible to fit side bearer to preset parameters. Shear pins are installed to take up shear loads. Cylindrical roller 15 in side bearer has hole to reduce its weight inside which stop-limiter 16 is fitted. Said stop-limiter is turned into wall 8 of box housing 7 of side bearer. Diameter of stop-limiter is smaller than diameter of hole reducing weight of roller by value exceeding value of its rolling in side bearer insert 14.
EFFECT: provision of operation of fastening bolts for extension only, fixing of cylindrical roller in side bearer.
4 cl, 5 dwg
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