BOWER sells R20NR. Related information about R20NR includes: Model R20NR Inner diameter: 31.75 mm Outer diameter: 57.15 mm Thickness: 9.525 mm Series: Deep groove ball bearing. If you want to know more about R20NR related information, you can consult online or call the hotline , we will serve you in detail. R20NR has a wide range of uses. R20NR is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of R20NR sold by our company is reasonable and we look forward to cooperating with you.