FIELD: railway transport.
SUBSTANCE: invention relates to axle box stage of bogie spring suspension. Bogie center plates 6 with concave spherical surface are secured in upper part of axle box apertures of bogie side frames, and mating top pivot bearings 7 are found on housing of axle boxes. Centers of spherical surface of pivot bearings and center plates concide and are located lower than axle of wheelset. Antifriction member 9 is placed between pivot bearing and center plate of each axle box.
EFFECT: increased service life of axle box unit.
2 cl, 2 dwg
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