Grease composition for rolling bearings

Details Grease composition for rolling bearings Grease composition for rolling bearings

1998-10-15

2000-05-16

Howard, Jacqueline V.

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

Lubricants or separants for moving solid surfaces and...

Nitrogen and heavy metal, or nitrogen and aluminum, in the...

508444, 508552, C10M13518

Patent

active

060637404

ABSTRACT:
A grease composition for rolling bearing containing a thiocarbamate derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different groups and denote a hydrocarbon group having 1 to 18 carbon atoms, and X denotes S--Cu--S, S--Ni--S, S, S--S, S--S--S--S, S--CH.sub.2 --S, S--(CH.sub.2).sub.2 --S or S--(CH.sub.2).sub.3 --S, in an amount of 0.05 to 10 mass % with respect to the total amount of the composition. The present grease composition exhibits a long flaking life.

REFERENCES:
patent: 3244627 (1966-04-01), Smith et al.
patent: 3876550 (1975-04-01), Holubec
patent: 4648985 (1987-03-01), Thorsell et al.
patent: 4842753 (1989-06-01), Mori et al.
patent: 4859352 (1989-08-01), Waynick
patent: 4880551 (1989-11-01), Doe
patent: 5512188 (1996-04-01), Kinoshita et al.

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