BOWER sells 4304. Related information about 4304 includes: Model 4304 Inner diameter: 20 mm Outer diameter: 52 mm Thickness: 21 mm Series: Deep groove ball bearing. If you want to know more about 4304 related information, you can consult online or call the hotline , we will serve you in detail. 4304 has a wide range of uses. 4304 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 4304 sold by our company is reasonable and we look forward to cooperating with you.