Patent ID: 7219938
Filing Date: 2007-05-22
Classification: B61F,F16C

Abstract:
1. In combination with a rail car axle having a journal and a larger cylindrical surface located adjacent to the journal, with the journal merging into the larger cylindrical surface at a fillet, and with a bearing that fits around the journal and an end cap that fits over the end of the journal for preventing the bearing from migrating axially off the journal, an improved backing ring located between the bearing and the fillet, said backing ring comprising: an annular body having an inner surface along which it seats against the fillet of the journal and a lip which projects over the larger cylindrical surface, and at least one stabilizing element cooperating with the lip to lessen motion between the lip and the cylindrical surface in the presence of flexures of journal, whereby the annular body is stabilized around the fillet.