BOWER sells 6404. Related information about 6404 includes: Model 6404 Inner diameter: 20 mm Outer diameter: 72 mm Thickness: 19 mm Series: Deep groove ball bearing. If you want to know more about 6404 related information, you can consult online or call the hotline , we will serve you in detail. 6404 has a wide range of uses. 6404 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 6404 sold by our company is reasonable and we look forward to cooperating with you.