Description:provides LMFUU series Round Flange Linear Ball Bearing with seals on both side to prevent ingress of dirt, water and foreign matter.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.Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement, permit temperature within 80 degree Celsius.It is great for 3D printer, CNC, and other applications. Specification:Bearing No.: LM20UUBearing Ball Material: Chromium SteelOuter Shell Material: Chromium SteelCage Material: NylonNominal Shaft Diameter (dr): 20mmOuter Diameter (D): 32mmTotal Length (L): 42mmMounting Hole Dia.: 5.4 x 8mm / 0.21 x 0.31inch (d1*d2);Pitch Circle Dia. (PCD): 43mm / 1.
eBay