SB205-16 is an Insert Ball Bearing that has been manufactured with a Spherical Outer Diameter and Set Screw Locking. This chrome steel insert ball bearing features a narrow inner ring as well as two Setscrews on the extended end of the insert, which can be tightened when positioned onto a shaft. SB205-16 insert ball bearings are made with lubrication groove access and are pre-lubricated with grease, ensuring they are ready for use upon arrival. SB205-16 Insert Ball Bearings are widely used as replacement bearings for Pillow Blocks, 2-Bolt Flanges, 3-Bolt Flanges, 4 Bolt Flanges, Take-Up Units, and many more