申请人:Koyo Seiko Co., Ltd.
公开号:EP1591683A2
公开(公告)日:2005-11-02
According to the invention a rolling bearing is disclosed which comprises: first and second races (2, 3) that define an annular space (7) formed therebetween; a plurality of rolling elements (5) arranged in the space (7) and rolling on each of the races (2, 3); and rust-preventive means (6, 6A, 8, 8A, 9) that prevent rust from being generated in the space (7). The rust-preventive means (6, 6A, 8, 8A, 9) contain a solid lubricant composition (8, 8A) with which the space (7) is filled, and the lubricant composition (8, 8A) contains a resin polymer. A first additive containing sulfonate and a second additive containg sorbitan are added to the lubricant composition (8, 8a).
根据本发明,公开了一种滚动轴承,该轴承包括:第一和第二滚道(2、3),它们限定了在其间形成的环形空间(7);布置在空间(7)中并在每个滚道(2、3)上滚动的多个滚动体(5);以及防止空间(7)生锈的防锈装置(6、6A、8、8A、9)。防锈装置(6、6A、8、8A、9)包含一种固体润滑剂组合物(8、8A),空间(7)被填满,润滑剂组合物(8、8A)包含一种树脂聚合物。润滑剂组合物(8、8A)中添加了含有磺酸盐的第一添加剂和含有山梨糖醇的第二添加剂。