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 SlideSpecification Material Solid Polymer AluminumModel SBR20UUInner Diameter 20mmSingle Weight 450gQuantity 4pcApplication 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