ITEM NAME:12mm Inner Dia 21mm OD LMK12UU Square Linear Ball Bearing R9B5 12mm Inner Dia 21mm OD LMK12UU Square Linear Ball Bearing R9B5 The universal Ball Bearings is great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy. 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. Product Name : Linear Bearing Model : LMK12UU Material : Metal, Rubber Inner Diameter : 12mm / 0.47" Outer Diameter : 21mm/ 0.83" Length : 30mm/ 1.18" Square Size : 32.4 x 32.4 x 6mm/ 1.27" x 1.27" x 0.24"(L x W x T) Mount Hole Dia. : 4.3mm/ 0.17" Hole Pitch : 21.2mm/ 0.84"(Center to Center) Color : Silver Tone Net Weight : 53g Package Content : 1 x Linear Motion Ball Bearing Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
