The NU 309 ECJ/C3 SKF bearing is a cylindrical roller bearing, single row, with an inner diameter of 45mm and an outer diameter of 100mm. It is manufactured by SKF, a leading manufacturer of bearings. This bearing has been designed for applications requiring a cylindrical roller bearing of a durable construction, with good resistance to radial load, and low speed rotational applications. It is ideal for a wide range of applications which include industrial machinery, automotive, and heavy-duty equipment.