BOWER sells N640M. Related information about N640M includes: Model N640M Inner diameter: 200 mm Outer diameter: 340 mm Thickness: 50 mm Series: Self aligning ball bearing. If you want to know more about N640M related information, you can consult online or call the hotline , we will serve you in detail. N640M has a wide range of uses. N640M is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of N640M sold by our company is reasonable and we look forward to cooperating with you.