To provide a rolling bearing capable of improving dimensional stability required for a cage, especially for an outer ring guide cage, ductility required for a crown type cage, and adhesive force of grease based on poly-α-olefin oil or the like, and further achieving high speed deformation prevention, in which the cage having high reliability is used.SOLUTION: In a rolling bearing composed of at least an inner ring 1, an outer ring 3, a synthetic resin cage 9, and a rolling element 7, the synthetic resin cage 9 is formed of a polyamide resin composition composed of polyamide XD10 and a reinforcement fiber material having a content of 0-40% by weight.SELECTED DRAWING: Figure 1
【課題】保持器、特に外輪案内保持器に求められる寸法安定性、冠型保持器に求められる延性、ポリα-オレフィン油等を基油とするグリースの付着力を改善、更に高速での変形防止とを達成できる、高信頼性を有する保持器が用いられた転がり軸受を提供する。【解決手段】少なくとも内輪1、外輪3、合成樹脂製保持器9及び転動体7からなる転がり軸受において、前記合成樹脂製保持器9を、ポリアミドXD10と、含有量0~40重量%とした強化繊維材と、からなるポリアミド樹脂組成物で形成する。【選択図】図1
ROLLING BEARING, PULLEY, LINEAR MOTION DEVICE, AND ELECTRIC POWER STEERING DEVICE
転がり軸受、プーリ、直動装置、電動パワーステアリング装置
2023-12-21
Patent
Elektronische Ressource
Japanisch
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