Thrust bearing assembly

Details Thrust bearing assembly Thrust bearing assembly

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 19/30 (2006.01)

Patent

CA 2181442

A thrust washer (42) has a radially directed annular portion providing a first raceway (58) and an axially directed annular flange (52). A subassembly (46) comprising a pluraiity of rollers (56), in rolling contact with the raceway, retained axially and radially in roller cage (50), has a pilot surface facing the axially directed annular flange. Friction reducing means (66, 82) between the pilot surface and the axially directed annular flange reduces friction between the pilot surface and the flange while maintaining concentricity of the subassembly (46) relative to the thrust washer (42).

Rondelle de butée (42) possédant une partie annulaire à extension radiale constituant un premier chemin de roulement (58), ainsi qu'un rebord annulaire à extension axiale (52). Un sous-ensemble (46) comportant plusieurs rouleaux (56) aptes à rouler au contact du chemin de roulement, et retenus dans les sens axial et radial dans une cage à rouleaux (50), possède une surface de guidage en regard du rebord annulaire à extension axiale. Un organe (66, 82) est monté entre la surface de guidage et le rebord annulaire à extension axiale et sert à réduire le frottement entre ceux-ci tout en conservant la concentricité du sous-ensemble (46) par rapport à la rondelle de butée (42).

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