ROLLER BEARING BACKING RING ASSEMBLY

摘要

PROBLEM TO BE SOLVED: To reduce fretting wear on a backing ring used for mounting of a tapered roller bearing assembly used for an axle of a railcar.SOLUTION: A bearing assembly for an axle 14 of a railcar includes a backing ring 61 affixed to a fillet 16 of a journal 12 of the axle 14, and a locking ring 71 for affixing the backing ring 61 to the journal 12. The locking ring 71 has an inboard end 75 affixed to a dust guard 18 of the axle 14 and an outboard end 73 for engaging the backing ring 61. The locking ring 71 may include a resilient sealing ring.