Nkọwa nke ngwaahịa:
A na-agbanyekwa ihe dị omimi na-ama jijiji na-agagharị, ihe owuwu dị mfe, dị mfe iji ma dị iche iche.
Njirimara ngwaahịa:
1.low onu ogugu
2.Haghari ọsọ
3.Suitity maka elu - ọsọ
4.low mkpọtụ
5.low Rebre
Ngwa:
Deep groove ball bearings are widely used in metallurgy, power, petrochemical, construction machinery, railway, steel, paper-making, cement, mining and other industries.
Hapụ Ozi Gị