BOWER sells HK3012B. Related information about HK3012B includes: Model HK3012B Inner diameter: 30 mm Outer diameter: 37 mm Thickness: 12 mm Series: Needle bearing. If you want to know more about HK3012B related information, you can consult online or call the hotline , we will serve you in detail. HK3012B has a wide range of uses. HK3012B is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of HK3012B sold by our company is reasonable and we look forward to cooperating with you.