Linear Bearing Linear Motion Ball Bearing Slide Block, SCS16UU 16mm Pillow Pulley Block Smooth moving, low friction, high rigidity and long life. Jual Linear Slide Block Bearing 16mm 20mm 25mm SCS16UU SCS20UU SCS25UU... ✿✿✿[High Tightness] -- This slide bushing helps prevent dust from entering and extends the service life. Linear Ball Bearing Slide Block Units, 16mm Bore Dia(SCS16UU Pack of 4 ✿✿✿[Stable Performance] -- Smooth moving, low friction, high rigidity and long life. ✿✿✿[Durable & -- The block is made of aluminum alloy material, with stronger bearing capacity. It is made of aluminum alloy material, with stronger bearing capacity. This slide bushing helps prevent dust from entering and extends the service life Feature: Treated with oxidation on the surface, it is beautiful and corrosion- resistant. This slide bushing helps prevent dust from entering and extends the service life. It is made of aluminum alloy material, with stronger bearing capacity.