TOKYO--(BUSINESS WIRE)--Minebea Co., Ltd. announced today that its steel ball bearing was awarded the GUINNESS WORLD RECORDS title of smallest commercially available steel ball bearing on August 28, when a representative from Guinness World Records Ltd. certified its outer diameter at just 1.4978mm. Yoshihisa Kainuma, Representative Director, President and Chief Executive Officer of Minebea, said: “We are really delighted to learn that our miniature ball bearing, a cornerstone of Minebea, was c
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