BOWER sells NNU4921. Related information about NNU4921 includes: Model NNU4921 Inner diameter: 105 mm Outer diameter: 145 mm Thickness: 40 mm Series: Cylindrical roller bearing. If you want to know more about NNU4921 related information, you can consult online or call the hotline , we will serve you in detail. NNU4921 has a wide range of uses. NNU4921 is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of NNU4921 sold by our company is reasonable and we look forward to cooperating with you.