About this item High quality material: The bearing seat is made of high quality zinc alloy, which is strong and wear-resistant, and has a flange bottom made of zinc alloy, high quality and long service life. Vertical Housing Sets: The housing bearings are available in 4 different inner diameters, 8mm, 10mm, 12mm and 20 mm. They meet your needs perfectly. Please make sure you need the correct size before purchasing. Easy to install and use: Adjust the screw clamp ring to connect it firmly with the guide shaft. Two-hole shims with ball bearing inserts are integrated pillow block bearings, ready-to-install parts and accessories for 3D printers and other machines. Very useful for holding the drive shaft. Adjustable angle: The adjusting screw clamp ring can be firmly fixed on the guide shaft, and the fine adjustment can fix the angle between the inner ring and the outer ring of the bearing, so as to achieve smooth, low friction and hard running. Wide Applications: Flanged bearings with pillow block housings are used in many many machines, such as machines and systems, conveyor systems, industrial automation, mechanical engineering, 3D printers, etc. Therefore, our housing or flanged bearings are always your best choice.