8pcs Linear Ball Bearings, Linear Motion Ball Bearing Bushing for 3D Printer CNC Parts LM6UU 6mm health_UK_Nov2022 but all products have passed

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8pcs Linear Ball Bearings, Linear Motion Ball Bearing Bushing for 3D Printer CNC Parts LM6UU 6mm health_UK_Nov2022 but all products have passed8pcs Linear Ball Bearings, Linear Motion Ball Bearing Bushing for 3D Printer CNC Parts LM6UU 6mm Product Features HIGH QUALITY These Linear Motion Ball Bearings cast with good quality bearing steel. Smooth and low noise are ensured with our Linear Motion Ball Bearing Bushings. DOUBLE SEALED DESIGN The Slide Bearing are double sealed, so as to avoid entering and save lubricant. They are designed to reduce friction while maintaining the best possible