BOWER sells 688. Related information about 688 includes: Model 688 Inner diameter: 8 mm Outer diameter: 16 mm Thickness: 4 mm Series: Deep groove ball bearing. If you want to know more about 688 related information, you can consult online or call the hotline , we will serve you in detail. 688 has a wide range of uses. 688 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 688 sold by our company is reasonable and we look forward to cooperating with you.