BOWER sells NA4900. Related information about NA4900 includes: Model NA4900 Inner diameter: 10 mm Outer diameter: 22 mm Thickness: 13 mm Series: Needle bearing. If you want to know more about NA4900 related information, you can consult online or call the hotline , we will serve you in detail. NA4900 has a wide range of uses. NA4900 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NA4900 sold by our company is reasonable and we look forward to cooperating with you.