BOWER sells NJ304/C4. Related information about NJ304/C4 includes: Model NJ304/C4 Inner diameter: 20 mm Outer diameter: 52 mm Thickness: 15 mm Series: Cylindrical roller bearing. If you want to know more about NJ304/C4 related information, you can consult online or call the hotline , we will serve you in detail. NJ304/C4 has a wide range of uses. NJ304/C4 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NJ304/C4 sold by our company is reasonable and we look forward to cooperating with you.