Item Type: Double Row Ball Bearing_x000D_ _x000D_ Material: Chromium Steel_x000D_ Weight: Approx. 188g/0.41lb_x000D_ Inner diameter: Approx. 25mm / 0.98in _x000D_ Outer diameter: Approx. 50mm / 1.97in _x000D_ Thickness: Approx. 20mm / 0.79in 1Wide Application: Suitable for commercial and industrial applications, including pumps and compressors, gearboxes, printing presses, etc. 2Rated Load: Chromium steel bearing has a static load rating of 7,450 tons and a dynamic load rating of 9,700 tons. 3Good Wear Resistance: It is made of chromium steel after heat treatment, with high hardness and uniformity, and good wear resistance. 4Sealing On Both Sides: Both sides of the chromium steel bearing are sealed to keep the lubricating oil in a sealed state. 5Chromium Steel Material: The bearing is made of high quality chromium steel material, which has a long life, low noise, strong and durable.1 x_x000D_ _x000D_ Double Row Ball Bearing