轴承基本代号为62303，它表示（ ）型轴承。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24901' and id < 2124809 and id<>'2124809' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24901' and id > 2124809 and id<>'2124809' order by id asc limit 5