Fafnir Machine Bearings Collars 2 each RCR 15/16"" Extron NOS USA 283C. This listing is for a set of two machine bearings and collars from FAFNIR, suitable for use in industrial equipment. These bearings are designed for reliable performance and durability, ensuring smooth operation of your machinery. The bearings are made in the United States and are of the Extron NOS type, making them a valuable addition to your equipment. The bearings and collars are compatible with a range of industrial equipment, and their high-quality construction ensures that they will withstand even the most demanding operating conditions. Whether you are looking to upgrade your equipment or simply need to replace worn-out parts, these FAFNIR bearings and collars are an excellent choice.