BOWER sells NA4904A. Related information about NA4904A includes: Model NA4904A Inner diameter: 20 mm Outer diameter: 37 mm Thickness: 17 mm Series: Needle bearing. If you want to know more about NA4904A related information, you can consult online or call the hotline , we will serve you in detail. NA4904A has a wide range of uses. NA4904A is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NA4904A sold by our company is reasonable and we look forward to cooperating with you.