Solid lubricant for bearings comprising a mixture containing a l

Details Solid lubricant for bearings comprising a mixture containing a l Solid lubricant for bearings comprising a mixture containing a l

1997-03-27

1998-09-08

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Solid anti-friction device, article or material therefor

508390, 508409, 508418, 508451, 508485, 508591, C10M12304

Patent

active

058045368

ABSTRACT:
A solid lubricant for bearings which is less likely to be washed away by water or liquid mud coming into bearings, and which can restrain the development of rust even in a harsh environment where high-concentration salt water comes into the bearings. A rust preventive in the form of a sulfonate or a fatty polyhydric alcohol partial ester is added to a composition made up of 5-97% by weight of a lubricating grease, 93-1% by weight of an ultra-high-molecular-weight polyolefin powder, and 1-50% by weight of oil exudation inhibitor, and mixed together. The mixture is then heated to a temperature higher than the gel point of the ultra-high-molecular-weight polyolefin and preferably lower than the dropping point of the lubricating grease and molded into the solid lubricant for bearings.

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patent: 5462684 (1995-10-01), Naka et al.
patent: 5656582 (1997-08-01), Shiraishi et al.

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