The NILOS-Rings 16101 AV by Nilos are the perfect solution to seal your deep groove ball bearing. With an inner diameter of 12 mm, an outer diameter of 28.1 mm, and a width of 1.8 mm, they fit perfectly on your bearing. The galvanized special strip steel ensures durability and reliability. Weighing only 0.002 kg and having an outer sealing design, these rings provide optimal sealing for your bearing. Get the NILOS-Rings 16101 AV today and effectively protect your roller bearing.