Machifit 4pcs Solid Polymer SBR20UU 20mm Open Block Linear Bearing Slide CNC Router Linear Slide

Description: Machifit 4pcs Solid Polymer SBR20UU 20mm Open Block Linear Bearing Slide CNC Router Linear Slide Specification: Material: Solid Polymer, Aluminum Model: SBR20UU Inner Diameter: 20mm Single Weight: 450g Quantity: 4pc Application: Working with SBR series linear rails. Features: 1. New solid polymer material, lightweight, good wear resistance and strength, more stable. 2. Perfect to replace the traditional linear motion ball bearing, not easy to be stuck. 3. No oil needed, Self-lubricating, Dust-proof. 4. Improve them efficiency and save energy. 5. Widely used in home appliances, industrial, low noise and high speed electric motors, construction machinery, automotive components, pumps, and machinery. Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace. Package Included: 4x SBR20UU Solid Polymer Slide Bearing Block More Details: