• R053111510 KU-B15-P-OFK | R053111510KUB15POFK• Outer dimension: 24, Width: 21,5, Weight: 0,027, Collar: With collar, Seal: Without dry felt seal, preserved, Product range: Ball transfer units, Housing: With sheet steel housing, Specialty: With plastic load balls (PA66), Spring: Without, Series: 15 series, Material of rolling elements: Balls made from bearing steel, Galvanizing: Cover and housing galvanized, Version: Corrosion-resistant version