Item Type: Linear-Motion Bearing _x000D_ Material: Bearing steel_x000D_ Optional Style: LM25LUU, LM20LUU, LM16LUU_x000D_ LM25LUU: _x000D_ Inner Diameter: Approx. 25mm / 1in _x000D_ Diameter: Approx. 40mm / 1.6in _x000D_ Height: Approx. 111mm / 4.4in_x000D_ LM20LUU: _x000D_ Inner Diameter: Approx. 20mm / 0.8in_x000D_ Diameter: Approx. 32mm / 1.3in_x000D_ Height: Approx. 80mm / 3.1in_x000D_ LM16LUU: _x000D_ Inner Diameter: Approx. 16mm / 0.6in_x000D_ Diameter: Approx. 28mm / 1.1in_x000D_ Height: Approx. 70mm / 2.8in 1Adopt double-sided dust-proof rubber sealing to prevent foreign matter from entering and prolong service life 2Adopt nylon retainer, low motion inertia, low starting torsion, less noise and smoother operation 3High-tech polished surface with high smoothness and high brightness 4Suitable for industrial automation, aerospace, machine tools, engraving machines, robots and automobiles 5The linear bearings are frictional and relatively stable, do not change with the speed of the bearing, and can obtain smooth linear motion with high sensitivity and high accuracy. 6Adopt bearing steel material, durable to use. 7Outer ring and steel ball are made of bearing steel material, strengthened by heat treatment, increasing life and load 8Compact structure, easy to install, ordinary linear bearings can be installed in any direction, using the shaft as a support for precise work, and the mounting surface is easy to machine1 xLinear-Motion Bearing