The NILOS rings 1303 AV from the manufacturer Nilos are the perfect solution for your self-aligning ball bearings with an inner diameter of 17 mm, an outer diameter of 41.2 mm, and a width of 2 mm. With a weight of only 0.003 kg, they are lightweight yet robust. Made of galvanized special band steel, they provide high resistance and durability. The design of these rings is externally sealing, ensuring effective sealing and thus ensuring a long lifespan for your bearings.