4PCS SBR20LUU 20mm Aluminum Alloy Linear Motion Ball Bearing Pillow Block Open Linear Bearing Slide Block Slide Bushing
- Dustproof---this slide bushing helps prevent dust from entering and extends the service life
- Fine workmanship---treated with oxidation on the surface, it is beautiful and corrosion- resistant and it is made of aluminum alloy material with stronger bearing capacity
- Application---smooth moving, low friction, high rigidity and long life,suitable for high speed mute high precision equipment