BOWER sells NJ304EM. Related information about NJ304EM includes: Model NJ304EM Inner diameter: 20 mm Outer diameter: 52 mm Thickness: 15 mm Series: Cylindrical roller bearing. If you want to know more about NJ304EM related information, you can consult online or call the hotline , we will serve you in detail. NJ304EM has a wide range of uses. NJ304EM is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NJ304EM sold by our company is reasonable and we look forward to cooperating with you.