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内輪と、外輪と、前記内輪及び前記外輪の間に転動自在に配された複数の転動体と、前記内輪及び前記外輪の間に前記転動体を保持する保持器と、を備える転がり軸受において、前記保持器は、油，グリース，及び潤滑剤用添加剤のうち少なくとも１つを内包するマイクロカプセルを含有する材料で構成されていることを特徴とする転がり軸受。
In a rolling bearing comprising an inner ring, an outer ring, a plurality of rolling elements that are arranged to freely roll between the inner ring and the outer ring, and a cage that holds the rolling element between the inner ring and the outer ring. The rolling bearing is made of a material containing microcapsules containing at least one of oil, grease, and a lubricant additive.
前記マイクロカプセルを構成する材料が熱硬化性樹脂であることを特徴とする請求項１に記載の転がり軸受。The rolling bearing according to claim 1, wherein the material constituting the microcapsule is a thermosetting resin.前記油が鉱油であることを特徴とする請求項１又は請求項２に記載の転がり軸受。The rolling bearing according to claim 1, wherein the oil is mineral oil.
Roller bearing with a window cage with positioning elements in the bearing pockets for altering the pocket play by means of temperature-dependent change in shape of the positioning elements for example by means of a shape memory alloy