The NILOS rings 20307 AV by Nilos are perfect for barrel bearings with an inner diameter of 35 mm, an outer diameter of 70.7 mm, and a width of 2.5 mm. Made of electrolytically galvanized special strip steel, they are robust and durable. The design is externally sealing to ensure a secure sealing of the rolling bearing. With a weight of only 0.008 kg, these rings are light and easy to handle.