Patent Number: 6,296,393

Title: Lubricant-containing polymer-filled rolling bearing and process for the production thereof

Abstract: A lubricant-containing polymer-filled rolling bearing comprising a lubricant-containing polymer packed in the space formed by an outer race, an inner race and rolling elements, wherein the lubricant-containing polymer is packed with the interposition of a grease layer having a thickness of from 10 .mu.m to 1,000 .mu.m formed at least on the inner peripheral surface of the outer race, the outer peripheral surface of the inner race and the surface of the rolling elements and a lubricant-containing polymer-filled rolling bearing comprising an inner race, an outer race, a plurality of rolling elements provided between the inner race and the outer race, a cage protruding outwardly from the end face of either the inner race or the outer race and retaining the rolling elements, and a lubricant-containing polymer packed in the space formed by the inner race, the outer race, the rolling elements and the cage, wherein the cage is covered with the lubricant-containing polymer.

Inventors: Yabe; Toshikazu (Kanagawa, JP), Aihara; Nariaki (Kanagawa, JP), Sorimachi; Morio (Kanagawa, JP)

Assignee: NSK Ltd.

International Classification: F16C 23/00 (20060101); F16C 33/66 (20060101); F16C 23/08 (20060101); F16C 19/36 (20060101); F16C 19/02 (20060101); F16C 19/06 (20060101); F16C 19/22 (20060101); F16C 19/16 (20060101); F16C 033/66 ()

Expiration Date: 10/02/2018