• 71906 CDGB/P4A | 71906CDGB/P4A• Inner dimension: 30, Outer dimension: 47, Width: 9, Weight: 0,049, EAN: 7316570780970, Preload: Medium preload, Material of rolling elements: Standard bearing steel, Tolerance class: Dimensional accuracy P4 / ABEC 7 Running accuracy better tha, Cage: Polyamide cage, Temperature range: -30 to +100 °C, Contact angle: 15 degree, Ball rows: Single row bearing, Seal: None, open bearing, Arrangement: Single universal bearing, Material: Standard bearing steel, Lubrication hole: Without lubrication groove, Lubrication: Preserved