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Spherical roller bearing
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Spherical roller bearing : ウィキペディア英語版
Spherical roller bearing

A spherical roller bearing is a rolling-element bearing that permits rotation with low friction, and permits angular misalignment. Typically these bearings support a rotating shaft in the () of the inner ring that may be misaligned in respect to the outer ring. The misalignment is possible due to the spherical internal shape of the outer ring and spherical rollers.〔(【引用サイトリンク】url=http://www.skf.com/us/products/bearings-units-housings/roller-bearings/spherical-roller-bearings/misalignment/index.html )〕Despite what their name may imply, spherical roller bearings are not truly spherical in shape. The rolling elements of spherical roller bearings are mainly cylindrical in shape, but have a profile that makes them appear like cylinders that have been slightly over inflated.〔http://www.bearingtips.com/spherical-roller-bearings/''What do you know about Spherical Roller Bearings?'' Bearing Tips: A Design World Resource〕
==Construction==
Spherical roller bearings consist of an inner ring with two raceways inclined at an angle to the bearing axis, an outer ring with a common spherical raceway, spherical rollers, cages and, in certain designs, also internal guide rings or center rings. The bearings can also be sealed.

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「Spherical roller bearing」の詳細全文を読む



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