BOWER sells 637. Related information about 637 includes: Model 637 Inner diameter: 7 mm Outer diameter: 26 mm Thickness: 9 mm Series: Deep groove ball bearing. If you want to know more about 637 related information, you can consult online or call the hotline , we will serve you in detail. 637 has a wide range of uses. 637 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 637 sold by our company is reasonable and we look forward to cooperating with you.