Premium Material: Our unit bearings are made of alloy, offering durability and wear resistance. The alloy flange ensures reliability and extended service life. Easy to Assemble: Pillow block set includes ball bearing inserts for straightforward installation. Metal bearing kit designed for maintenance and replacement of components in 3D printers. Adjustable Angle: The alloy shaft bearing allows angular adjustment between the inner bearing and outer ring. Ensures smooth operation, low friction, and high rigidity. Secure Mounting: Bore bottom bracket enables secure attachment to guided shafts, pillow blocks, and other components used in 3D printers and industrial machinery. Ideal for driveshaft support. Wide Application: insert pillow bearings support efficient operation in 3D printers and are suitable for various applications including conveyor belts, mechanical equipment, and machinery manufacturing—ideal for both household and industrial use. Color: Silver Material: Alloy Dimensions: 100 x 55 x 20 mm Package Contents: 4 x Bearing Housing Note: Actual color may vary slightly due to screen settings. Measurement tolerance is ±1–3 mm.