BOWER sells ST-491A. Related information about ST-491A includes: Model ST-491A Inner diameter: 44.78 mm Outer diameter: 127 mm Thickness: 42.8 mm Series: Pillow block bearing. If you want to know more about ST-491A related information, you can consult online or call the hotline , we will serve you in detail. ST-491A has a wide range of uses. ST-491A is mainly used in engineering machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electric power, railways and other industries. The price of ST-491A sold by our company is reasonable and we look forward to cooperating with you.