BOWER sells EN4. Related information about EN4 includes: Model EN4 Inner diameter: 4 mm Outer diameter: 16 mm Thickness: 5 mm Series: Angular contact ball bearing. If you want to know more about EN4 related information, you can consult online or call the hotline , we will serve you in detail. EN4 has a wide range of uses. EN4 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of EN4 sold by our company is reasonable and we look forward to cooperating with you.