Material: Zinc alloy, flanged bearing ensures strength, wear resistance, and durability. Plumen Bearing Set: Housing bearings are available in two different inside diameters, 10 mm and 20 mm. Please verify the correct size before purchasing. Easy to install: Two-hole body with ball bearing insert for ready-to-assemble installation, ensuring reliable performance. Adjustable: Lock ring adjustment screw allows secure attachment to the driven shaft. The angle between the inner bearing and outer ring can be precisely adjusted, providing smooth, low-friction operation. Application: Suitable for aerospace, industrial automation, compressors, machinery, printing machinery, and similar applications. This bearing block facilitates maintenance and replacement of 3D printer components.