FREIGHT CAR BODY-TO-BOGIE TOP PIVOT BEARING UNIT Russian patent published in 2006 - IPC B61F5/16 

FIELD: railway transport.

SUBSTANCE: invention relates to central supports between bogies and car frames. Proposed top pivot bearing unit contains bogie center plate 1 and body pivot bearing 3. Bogie central plate is furnished with mating outer split springy ring 6 and inner split springy ring 9. Inner surface 8 of outer ring is spherically concave, outer surface 11 of inner ring is spherically convex, while its inner surface is made cylindrical and it mates with cylindrical surface 13 of body pivot bearing.

EFFECT: simplified design and reduced overall dimensions of unit at low wear of bogie center plate and body pivot bearing.

4 dwg