6809LU Sealed Ball Bearing 45x58x7mm Linear Motion Systems - 30mm outer diameter is 47 and

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6809LU Sealed Ball Bearing 45x58x7mm Linear Motion Systems - 30mm outer diameter is 47 and6809LU Sealed Ball Bearing 45mm x 58mm x 7mm 6809LU Sealed Ball Bearing, categorized as slim section, double sealed, radial, deep groove ball bearing, 6809LU bearing is made from Chrome Steel with chrome steel balls and steel cage, 6809LU bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, 6809LU bearing is sealed and self lubricated with grease,inner diameter is 45mm, outer diameter is 58mm and width is