BOWER sells NA4903R. Related information about NA4903R includes: Model NA4903R Inner diameter: 17 mm Outer diameter: 30 mm Thickness: 13 mm Series: Needle bearing. If you want to know more about NA4903R related information, you can consult online or call the hotline , we will serve you in detail. NA4903R has a wide range of uses. NA4903R is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NA4903R sold by our company is reasonable and we look forward to cooperating with you.