BOWER sells HK3020. Related information about HK3020 includes: Model HK3020 Inner diameter: 30 mm Outer diameter: 37 mm Thickness: 20 mm Series: Needle bearing. If you want to know more about HK3020 related information, you can consult online or call the hotline , we will serve you in detail. HK3020 has a wide range of uses. HK3020 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of HK3020 sold by our company is reasonable and we look forward to cooperating with you.