1-1/2" Bore Mounted Bearing UCF208-24 + Square Flanged HousingUCF208 24 Four Bolt Flange Bearing Unit 1 1 2" ID Set Screw Lock, Cast Iron Housing The UCF208 24 is a heavy duty four bolt flange bearing unit, perfect for mounting on flat surfaces where you need solid support for a rotating shaft. With a 1 1 2" inner diameter and set screw locking collar, it's built to stay put under load. Ideal for conveyors, machinery, and agricultural equipment. Pack size: One flange bearing unit Type: Four bolt flange unit (UCF