The bogie side frame is cast from low-alloy steel. It consists of horizontal, inclined belts and columns.
In the middle of the frame there is an opening for the centre spring suspension, and at the ends there are axlebox openings. Designated service life is 32 years; axial load is 23.5 tonnes.
Side frame is a component (part) of the load-bearing structure of a railway freight wagon bogie that transmits loads from the superstructure to the journals of the two axles of the wheel pairs through the axleboxes. The product is designed for use as part of the running bogie of railway freight wagons for operation on the railways of the Russian Federation, CIS countries, Georgia, the Republic of Latvia, the Republic of Lithuania, the Republic of Estonia and other countries.
Side frame is certified for compliance with the requirements of technical regulations TR TS TS 0001/2011 "On the safety of railway transport"
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