UCF204 Square Flange Pillow Block Bearing 20mm Bore Cast Iron Housing for Disc Harrow Tiller Agricultural Machinery | GQZ Bearing Manufacturer Product Overview The UCF204 Square Flange Pillow Block Bearing is engineered for disc harrow, rotary tiller, seeder, and conveyor applications, delivering reliable performance and straightforward installation. Built with a precision 20mm bore, cast iron HT200 square housing with four bolt mounting holes, and a secure set screw locking