THRUST ROLLER BEARING WITH RACES

摘要

The invention achieves a thrust roller bearing structure with races that can increase the permissible level of eccentricity of a pair of members that rotate relative to each other as well as increase the amount of lubricating oil that is circulated therein, while securing the function of preventing the separation of a cage (3), a first thrust race (4a) and a second thrust race (5a). The external diameter of the external diameter side flange (8a) formed on the outer margin of a first thrust race (4a) is 60 mm - 120 mm, the internal diameter of the internal diameter side flange (11a) formed on the inner margin of an internal diameter side flange (5a) is 40 mm - 80 mm, and the internal space is 1 mm - 2 mm. Therefore, the external diameter side catch (9a) is formed intermittently in the circumferential direction on the leading edge of the external diameter side flange (8a).