The NILOS rings 1311 AV from Nilos provide an effective sealing for angular contact ball bearings with an inner diameter of 55 mm, outer diameter of 110.5 mm, and a width of 3 mm. Made of electrolytically galvanized special band steel and weighing only 0.019 kg, they are particularly lightweight yet robust. Thanks to their design, they seal externally, ensuring reliable sealing. Ideal for applications where effective sealing is necessary.