Inner dimension 55 mmOuter dimension 90 mmWidth 18 mmWeight 0,375 kgEAN 4012801734943 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 Version High-speed bearing Arrangement Single universal bearing Cage Hard tissue cage Current insulation Insulating ceramic balls Lubrication Preserved Preload Light preload Ball rows Single row bearing Material Standard bearing steel |