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A bearing surface is a mechanical engineering term that refers to the area of contact between two objects. It usually is used in reference to bolted joints and bearings, but can be applied to a wide variety of engineering applications. On a screw the bearing area loosely refers to the underside of the head.〔.〕 Strictly speaking, the bearing area refers to the area of the screw head that directly bears on the part being fastened.〔.〕 For a cylindrical bearing it is the projected area perpendicular to the applied force.〔.〕 On a spring the bearing area refers to the amount of area on the top or bottom surface of the spring in contact with the constraining part.〔.〕 The ways of machine tools, such as dovetail slides, box ways, prismatic ways, and other types of machine slides are also bearing surfaces. ==See also== *Babbitt, an alloy that covers a bearing surface 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「bearing surface」の詳細全文を読む スポンサード リンク
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