• R053371200 KUM-A12-OFK | R053371200KUMA12OFK• Outer dimension: 20, Width: 15, Weight: 0,029, Seal: Without dry felt seal, preserved, Product range: Ball roller with solid steel housing, Housing: With solid steel housing, Specialty: Bright metal, very smooth running, Spring: Without, Series: 12 series, Material of rolling elements: Balls made from bearing steel, Galvanizing: Galvanized cover