BEARING HOUSING AND TURBOCHARGER

PROBLEM TO BE SOLVED: To provide a bearing housing having high heat transmissivity from cooling water to oil, and to provide a turbocharger.SOLUTION: A bearing housing 2 includes a housing body 3 having a water channel 30 in which cooling water W flows, a cylindrical member storage part 31 arranged continuously with the water channel 30, and bearing storage parts 32a-32c, bearings 4a-4c stored in the bearing storage parts 32a-32c, and a cylindrical member 5 having a peripheral wall part 50 stored in the cylindrical member storage part 31 and having an exposed portion 50a exposed to the water channel 30, and a first oil path 51 arranged on the inner periphery side of the exposed portion 50a independently from the water channel 30 where oil O flows for lubricating the bearings 4a-4c.SELECTED DRAWING: Figure 1 【課題】冷却水からオイルへの伝熱性が高いベアリングハウジングおよびターボチャージャを提供することを課題とする。【解決手段】ベアリングハウジング２は、冷却水Ｗが流れる水路３０と、水路３０に連なって配置される筒部材収容部３１と、軸受収容部３２ａ〜３２ｃと、を有するハウジング本体３と、軸受収容部３２ａ〜３２ｃに収容される軸受４ａ〜４ｃと、筒部材収容部３１に収容され、水路３０に露出する露出部５０ａを有する周壁部５０と、露出部５０ａの内周側に水路３０から独立して配置され軸受４ａ〜４ｃを潤滑するためのオイルＯが流れる第一油路５１と、を有する筒部材５と、を備える。【選択図】図１