BOWER sells RNA4900. Related information about RNA4900 includes: Model RNA4900 Inner diameter: 10 mm Outer diameter: 22 mm Thickness: 13 mm Series: Needle bearing. If you want to know more about RNA4900 related information, you can consult online or call the hotline , we will serve you in detail. RNA4900 has a wide range of uses. RNA4900 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of RNA4900 sold by our company is reasonable and we look forward to cooperating with you.