BOWER sells HK4212. Related information about HK4212 includes: Model HK4212 Inner diameter: 42 mm Outer diameter: 49 mm Thickness: 12 mm Series: Needle bearing. If you want to know more about HK4212 related information, you can consult online or call the hotline , we will serve you in detail. HK4212 has a wide range of uses. HK4212 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of HK4212 sold by our company is reasonable and we look forward to cooperating with you.