Inner dimension 12 mmOuter dimension 28 mmWidth 8 mmWeight 0,023 kgEAN 4026677498397 Temperature range -30 to +100 °C Material of rolling elements Si3N4, silicon nitride (ceramics) Contact angle 25 degree Seal None, open bearing Lubrication hole Without lubrication groove Tolerance class Dimensional accuracy P4 or ABEC 7, running accuracy P2 or AB Arrangement Single universal bearing Version High-speed bearing Cage Hard tissue cage Current insulation Insulating ceramic balls Lubrication Preserved Preload Light preload Ball rows Single row bearing Material Standard bearing steel |