BOWER sells BL309. Related information about BL309 includes: Model BL309 Inner diameter: 45 mm Outer diameter: 100 mm Thickness: 27 mm Series: Deep groove ball bearing. If you want to know more about BL309 related information, you can consult online or call the hotline , we will serve you in detail. BL309 has a wide range of uses. BL309 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of BL309 sold by our company is reasonable and we look forward to cooperating with you.