BOWER sells R12. Related information about R12 includes: Model R12 Inner diameter: 19.05 mm Outer diameter: 41.275 mm Thickness: 7.938 mm Series: Deep groove ball bearing. If you want to know more about R12 related information, you can consult online or call the hotline , we will serve you in detail. R12 has a wide range of uses. R12 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of R12 sold by our company is reasonable and we look forward to cooperating with you.