BOWER sells 3977/3920. Related information about 3977/3920 includes: Model 3977/3920 Inner diameter: 60 mm Outer diameter: 112.715 mm Thickness: 30.162 mm Series: Tapered roller bearing. If you want to know more about 3977/3920 related information, you can consult online or call the hotline , we will serve you in detail. 3977/3920 has a wide range of uses. 3977/3920 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of 3977/3920 sold by our company is reasonable and we look forward to cooperating with you.