Back to results
US 2020/0407656 A1Published application
Grease composition and rolling bearing
AssigneeJtekt Corporation
InventorsYurie HAGINO, Takeshi TSUDA
Life of this patent
Estimating the term…
Abstract
A grease composition includes a base oil, a thickener, and polymethyl methacrylate particles. The base oil is a poly-α-olefin. The polymethyl methacrylate particles have an average particle size of 2 μm to 7 μm. A content of the polymethyl methacrylate particles is 10% by mass to 20% by mass with respect to a total amount of the base oil and the thickener.
Claims5
A grease composition comprising:
- a base oil;
- a thickener;
- and
- polymethyl methacrylate particles, wherein
- the base oil is a poly-α-olefin,
- the polymethyl methacrylate particles have an average particle size of 2 μm to 7 μm, and
- a content of the polymethyl methacrylate particles is 10% by mass to 20% by mass with respect to a total amount of the base oil and the thickener.
4 more elements
Dependencies are inferred from the claim text.