BOWER sells 638/4-Z. Related information about 638/4-Z includes: Model 638/4-Z Inner diameter: 4 mm Outer diameter: 9 mm Thickness: 4 mm Series: Deep groove ball bearing. If you want to know more about 638/4-Z related information, you can consult online or call the hotline , we will serve you in detail. 638/4-Z has a wide range of uses. 638/4-Z is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 638/4-Z sold by our company is reasonable and we look forward to cooperating with you.