<entry id="1979857" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2835710</ent_seq>
<k_ele>
<keb>鋼球</keb>
</k_ele>
<r_ele>
<reb>こうきゅう</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<gloss>steel ball</gloss>
<gloss>bearing ball</gloss>
</sense>
<info>
<audit time="2018-05-23 02:17:45" stat="A" unap="true">
<upd_name>Brian Kurkoski</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Reference to the balls used in ball bearings, e.g. in bicycle wheels.  Common use in US English seems to be bearing ball, four times on Wikipedia page:
https://en.wikipedia.org/wiki/Ball_bearing
https://www.amazon.com/s/ref=nb_sb_noss_1?&amp;field-keywords=bearing+balls+bicycle

Common use in Japanese seems to be 鋼球. Japan Amazon:
https://www.amazon.co.jp/s/ref=nb_sb_noss?field-keywords=鋼球+自転車
Same thing should have same name.

Entry modified from WI1/RH</upd_detl>
<upd_refs>ALC lists only steel ball; steel sphere</upd_refs>
</audit>
<audit time="2018-05-23 03:55:53" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Kagaku &amp; Denshi glossaries too. Lots of WWW images.</upd_refs>
</audit>
</info>
</entry>