BOWER sells BK3520. Related information about BK3520 includes: Model BK3520 Inner diameter: 35 mm Outer diameter: 42 mm Thickness: 20 mm Series: Needle bearing. If you want to know more about BK3520 related information, you can consult online or call the hotline , we will serve you in detail. BK3520 has a wide range of uses. BK3520 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of BK3520 sold by our company is reasonable and we look forward to cooperating with you.