滚动轴承6201的内孔直径是（ 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id < 2124788 and id<>'2124788' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id > 2124788 and id<>'2124788' order by id asc limit 5