BOWER sells F639/4/YB2. Related information about F639/4/YB2 includes: Model F639/4/YB2 Inner diameter: 4 mm Outer diameter: 11 mm Thickness: 5 mm Series: Deep groove ball bearing. If you want to know more about F639/4/YB2 related information, you can consult online or call the hotline , we will serve you in detail. F639/4/YB2 has a wide range of uses. F639/4/YB2 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of F639/4/YB2 sold by our company is reasonable and we look forward to cooperating with you.