Features ✅【High Quality】These bearing seats are made of high-quality zinc alloy. They are very strong and wear-resistant. They have low friction during operation and are very stable during operation. ✅【Perfect Design】The pillow bearings have a wide inner ring with two-bolt Mounted Pillow Block Bearing set screw locking collar for secure attachment to guided shaft. ✅【Easy to Install】Two-bolt housing with ball bearing insert for ready-to-mount installation. They are used to replace damaged or excessively worn bearing seats. ✅【Adjustable Settings】This bearing is a self-aligning, pillow block bearing. Between the inner bearing and outer fixing ring angle can fine tune, you can adjust or replace the bearing easily. ✅【Multiple Function】These bearing seats are widely used in 3D printers or other industrial machines. You can also use them to make mechanical models in DIY. They can make your machine run more smoothly. Features: - Two-bolt housing with ball bearing insert for ready-to-mount installation. - Setscrew locking collar for secure attachment to guided shaft. - Between the inner bearing and outer fixing ring angle can fine tune. - Easy to install. Specifications: 20mm type: - Inside diameter: 20mm - The 2 fixing hole spacing: 70mm - Fixed hole diameter: 10mm Material: zinc alloy Package Included: 1pcs Bore Diameter Ball Bearing Pillow Block Package List