BOWER sells HK3520. Related information about HK3520 includes: Model HK3520 Inner diameter: 35 mm Outer diameter: 42 mm Thickness: 20 mm Series: Needle bearing. If you want to know more about HK3520 related information, you can consult online or call the hotline , we will serve you in detail. HK3520 has a wide range of uses. HK3520 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of HK3520 sold by our company is reasonable and we look forward to cooperating with you.