6004-2RS Full Ceramic Sealed Bearing 20x42x12mm ZrO2

6004-2RS Full Ceramic Ball Bearing 20mm x 42mm x 12mmZirconia Full Ceramic 6004-2RS Ball Bearings, measures an inner diameter of 20mm, outer diameter is 42mm and the width is 12mm, Bearing is made from Ceramic. 6004-2RS Sealed full ceramic Sealed Full Ceramic bearing Cage Material: PTFE (Polytetrafluoroethylene) Closures: PTFE Covers (white) Balls: Made from Zirconia Ceramic (ZrO₂) (zirconia) Size: 20mm x 42mm x 12mm Races Material: Zirconia (ZrO₂) Ceramic Quantity: One ball bearing