BOWER sells HK5520. Related information about HK5520 includes: Model HK5520 Inner diameter: 55 mm Outer diameter: 63 mm Thickness: 20 mm Series: Needle bearing. If you want to know more about HK5520 related information, you can consult online or call the hotline , we will serve you in detail. HK5520 has a wide range of uses. HK5520 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of HK5520 sold by our company is reasonable and we look forward to cooperating with you.