BOWER sells NA4909R. Related information about NA4909R includes: Model NA4909R Inner diameter: 45 mm Outer diameter: 68 mm Thickness: 22 mm Series: Needle bearing. If you want to know more about NA4909R related information, you can consult online or call the hotline , we will serve you in detail. NA4909R has a wide range of uses. NA4909R is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NA4909R sold by our company is reasonable and we look forward to cooperating with you.