BOWER sells W638/4-2Z. Related information about W638/4-2Z includes: Model W638/4-2Z Inner diameter: 4 mm Outer diameter: 9 mm Thickness: 4 mm Series: Deep groove ball bearing. If you want to know more about W638/4-2Z related information, you can consult online or call the hotline , we will serve you in detail. W638/4-2Z has a wide range of uses. W638/4-2Z is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of W638/4-2Z sold by our company is reasonable and we look forward to cooperating with you.