Feature: 1. Bearing Steel Material: Made of bearing steel, this bearing possesses premium resistance and durability, accuracy, high speed and long service life. 2. Cast Iron Steel Shell: This bearing is designed with cast iron shell, solid and durable, you can reduce the replacement and maintenance frequency. 3. Better Fit: This bearing works with low noise, low friction, it has a coordinated operation with machinery during use. 4. Flange Fixation: Fixed with flange, this bearing can be firmly installed on other components, you can choose it with confidence! 5. Wide Application: This bearing with 20mm inner diameter is widely used in various industrial transmission components. Specification: Item Type: Pillow Block Flange Bearing Material: Bearing Steel, Cast Iron Inner Diameter: Approx. 20mm / 0.79in Matching Bearing: UC204 Center Hole Spacing: Approx. 90mm / 3.54in. Package List: 1 x Pillow Block Flange Bearing2 x Accessory Note: Match the proper size before use.