INSULATION ROLLING BEARING

To provide an insulation rolling bearing capable of reducing its costs and appropriately setting a fitting interval between an outer ring and a housing, when used as a bearing for supporting a rotational shaft of an electric motor for an electric automobile.SOLUTION: In an insulation rolling bearing...

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Bibliographic Details
Main Authors UOZUMI TOMOHISA, KAWAGUCHI HAYATO, FUJIKAKE YASUHITO
Format Patent
LanguageEnglish
Japanese
Published 01.02.2023
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:To provide an insulation rolling bearing capable of reducing its costs and appropriately setting a fitting interval between an outer ring and a housing, when used as a bearing for supporting a rotational shaft of an electric motor for an electric automobile.SOLUTION: In an insulation rolling bearing having an insulation layer covering an outer diameter surface 6 of an outer ring 2 and an axial end surface 7 of the outer ring 2, the insulation layer is a resin film 8 having a film thickness t of 50 μm or less at a portion covering the outer diameter surface 6 of the outer ring 2.SELECTED DRAWING: Figure 1 【課題】電気自動車の電動モータの回転軸を支持する軸受として使用する場合に、低コストで、かつ外輪とハウジングの間のはめあい隙間を適切に設定することができる絶縁転がり軸受を提供する。【解決手段】外輪２の外径面６と外輪２の軸方向端面７とを被覆する絶縁層を有する絶縁転がり軸受において、絶縁層は、外輪２の外径面６を被覆する部分の膜厚ｔが５０μｍ以下の樹脂皮膜８である。【選択図】図１
Bibliography:Application Number: JP20210119582