[Type]: This is 25mm diameter UCFL205 diamond flange pillow block bearing. [Self-centering function]: With self-centering function, it is convenient to adjust or replace the bearing. [Durable material]: The sturdy base is made of high quality metal with high hardness, durable and long service life. And also with two rubber seals to prevent the entry of dust, water and foreign objects. [Wide Application]: The plain bearings are widely used in various mechanical systems, such as agricultural machinery, printing machinery, construction machinery, transportation systems, pharmaceuticals, food, motorcycles, motors, water pumps, fans, air conditioners, etc. Note: The data are all manual measurement, please please allow 1 - 3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received Shipping Quantity: (according to the main image)