BOWER sells 618/4. Related information about 618/4 includes: Model 618/4 Inner diameter: 4 mm Outer diameter: 9 mm Thickness: 2.5 mm Series: Deep groove ball bearing. If you want to know more about 618/4 related information, you can consult online or call the hotline , we will serve you in detail. 618/4 has a wide range of uses. 618/4 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 618/4 sold by our company is reasonable and we look forward to cooperating with you.