uxcell LM20UU Linear Ball Bearings 20mm Bore 32mm OD 42mm Long for CNC Machine 3D Printer 4pcs

1.Uxcell provides LMUU series Linear Ball Bearing with seals on both side to prevent ingress of dirt, water and foreign matter. 2.Linear Motion Bearing (also called Ball Bushing or Shaft Guiding) is a rolling friction supporting element that usually used for linear motion mechanical parts with small friction. 3.Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement, permit temperature within 80 degree Celsius. 4.It is great for 3D printer, CNC, and other applications. Specification: Bearing No.: LM20UU Bearing Ball Meterial: Chromium Steel Outer Shell Meterial: Chromium Steel Cage Meterial: Nylon Nominal Shaft Diamter (dr): 20mm Outer Diameter (D): 32mm Total Length (L): 42mm Ball Circuit: 5 Static Load Capacity (Cor): 1.37kN Dynamic Load Capacity (Cr): 0.863kN Number of Pack: 4 Pcs