Grease-sealed rolling contact bearing

Details Grease-sealed rolling contact bearing Grease-sealed rolling contact bearing

1993-01-21

1994-04-12

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 33004, 252 51005A, 252 51005R, C10M11508

Patent

active

053019237

ABSTRACT:
A grease composition sealed in a rolling contact bearing contains a base oil in the form of a mixture of an alkyldiphenylether oil and a poly-.alpha.-olefin oil. The weight ratio of the former to the latter is between 20:80 and 80:20. 5-40% by weight of thickening agent which is at least one of an aromatic diurea compound and an aromatic urea-urethane compound is added to the base oil. Further, a passivation oxidizing agent and an organic sulfonate are added.

REFERENCES:
patent: 4915860 (1990-04-01), Kinoshita et al.
patent: 5011617 (1991-04-01), Fagan
patent: 5043085 (1991-08-01), Kinoshita et al.
patent: 5059336 (1991-10-01), Naka et al.
patent: 5145591 (1992-09-01), Kinoshita et al.

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