BOWER sells BK5520. Related information about BK5520 includes: Model BK5520 Inner diameter: 55 mm Outer diameter: 63 mm Thickness: 20 mm Series: Needle bearing. If you want to know more about BK5520 related information, you can consult online or call the hotline , we will serve you in detail. BK5520 has a wide range of uses. BK5520 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of BK5520 sold by our company is reasonable and we look forward to cooperating with you.