BOWER sells E20. Related information about E20 includes: Model E20 Inner diameter: 20 mm Outer diameter: 47 mm Thickness: 12 mm Series: Angular contact ball bearing. If you want to know more about E20 related information, you can consult online or call the hotline , we will serve you in detail. E20 has a wide range of uses. E20 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of E20 sold by our company is reasonable and we look forward to cooperating with you.