WGFZ28-IMP Flange Bearing Assembly for Universal ProductsOne New Aftermarket Replacement 4 Bolt Flange Bearing Assembly for Agricultural Equipment This re lubricatable 4 bolt flanged bearing assembly with lock collar is a direct aftermarket replacement for part number WGFZ28 IMP. Designed for use on a wide range of agricultural implements and equipment, this flanged bearing unit mounts securely to surfaces perpendicular to the shaft and is built to handle the radial and axial loads common in demanding field