BOWER sells 31304. Related information about 31304 includes: Model 31304 Inner diameter: 20 mm Outer diameter: 52 mm Thickness: 16.5 mm Series: Tapered roller bearing. If you want to know more about 31304 related information, you can consult online or call the hotline , we will serve you in detail. 31304 has a wide range of uses. 31304 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 31304 sold by our company is reasonable and we look forward to cooperating with you.