主要承受径向载荷的滚动轴承称为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24899' and id < 2124695 and id<>'2124695' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24899' and id > 2124695 and id<>'2124695' order by id asc limit 5