AXLE BOX WITH ROLLER BEARINGS Russian patent published in 1997 - IPC

FIELD: mechanical engineering; railway transport; rolling supports subjected to periodical action of considerable axial loads. SUBSTANCE: axle box with roller bearings has plate with support installed slacklessly in axle box housing concentrically with axis of axle box neck between bearing outer race and pressure cap. Stepped hole in made in axle box neck concentrically with axis. Support and spring-loaded stop are installed with clearance over outer diameter in stepped hole of axle box neck. Solid of revolution, for instance, ball is installed between support of plate and support of axle box neck. Ball engages with support of plate and end face surface of stop made of self-lubricating material. EFFECT: improved reliability of operation. 2 cl, 3 dwg