UC208-24 Bearing for Universal ProductsOne New Aftermarket Replacement UC208 24 Insert Ball Bearing Universal Fit for Agricultural and Industrial Equipment The UC208 24 is a standard duty, set screw locking insert ball bearing with a 1 1 2" bore, spherical outer diameter, and wide inner ring. It is a UC200 Series insert bearing widely used as a replacement in pillow block units, 2 bolt flanges, 3 bolt flanges, 4 bolt flanges, and take up units across agricultural machinery, conveyor