Method of manufacturing a rolling bearing retainer

摘要

A rolling bearing retainer (1) comprises a molding of a synthetic resin composition, which holds a rolling element of a rolling bearing,
wherein said molding comprises a resinous porous article and a lubricating oil which impregnates said resinous porous article, characterised in that the resinous porous article comprises fused resin particles and has an interconnected hole porosity of not less than 30%.