BOWER sells 639ZZ. Related information about 639ZZ includes: Model 639ZZ Inner diameter: 9 mm Outer diameter: 30 mm Thickness: 10 mm Series: Deep groove ball bearing. If you want to know more about 639ZZ related information, you can consult online or call the hotline , we will serve you in detail. 639ZZ has a wide range of uses. 639ZZ is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 639ZZ sold by our company is reasonable and we look forward to cooperating with you.