Spyraflo Oilite Bronze Bearings are a great economic solution for many applications. Manufactured to SAE 840 specifications, containing 25% oil within the porous structure of the bronze spherical insert that also acts as the lubricant reservoir. Oil is distributed to the mating surface hydrodynamically, ensuring a permanent protective film of oil is maintained between the bearing and mating surface. High temperature and graphite lubricant options are also available.