BOWER sells NA4920. Related information about NA4920 includes: Model NA4920 Inner diameter: 100 mm Outer diameter: 140 mm Thickness: 40 mm Series: Needle bearing. If you want to know more about NA4920 related information, you can consult online or call the hotline , we will serve you in detail. NA4920 has a wide range of uses. NA4920 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NA4920 sold by our company is reasonable and we look forward to cooperating with you.