uxcell LMK20UU Square Flange Linear Ball Bearings 20mm Bore Dia 32mm OD 42mm LengthPack of 2

1.Uxcell provides LMFUU series Square Flange 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.: LMK20UU 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 Flange Size: 42 x 42 x 8mm / 1.65 x 1.65 x 0.31inch (L*W*H) Mounting Hole Dia.: 5.4 x 8.4mm / 0.22 x 0.33inch (d1*d2) Pitch Circle Dia. (PCD): 43mm / 1.69inch Ball Circuit: 5 Static Load Capacity (Cor): 1.37kN Dynamic Load Capacity (Cr): 0.86kN Number of Pack: 2 Pcs