6mm Inner Diameter Square Flange Linear Motion Bushing Ball Bearing LMK6UU Specifications: Product Name Linear Bearing Model LMK6UU Material Metal, Rubber Inner Diameter 6mm/ 0.24" Outer Diameter 12mm/ 0.47" Total Length 35mm/ 1.38" Square Size 22 x 22 x 5mm/ 0.87" x 0.87" x 0.2" (L*W*T) Mount Hole Dia. 3.3mm/ 0.13" Hole Pitch 14mm/ 0.6"(Center to Center) Main Color Silver Tone Net Weight 26g Package Content 1 x Linear Bearing Description: The common Ball Bearings is excellent for you to exchange the damaged Ball Bearings in your instruments to improve them efficiency and save energy. Widely utilized in home appliances, industrial, low noise and high speed electrical motors, construction machinery, car components, pumps, and machinery. Smooth moving, low friction, high tension and lengthy life. Economical, easy to preserve replace.