Inner dimension 40 mmOuter dimension 68 mmWidth 15 mmWeight 0,18 kgLubrication hole Without lubrication groove Cage Hard tissue cage Seal None, open bearing Material of rolling elements Si3N4, silicon nitride (ceramics) Arrangement Single universal bearing Contact angle 25 degree Lubrication Preserved Version High-speed bearing Current insulation Insulating ceramic balls Preload Light preload Material Standard bearing steel Tolerance class inner ring More accurate than P4 or ABEC 7 Tolerance class outer ring More accurate than P5 or ABEC 5 Temperature range -40 to +110 °C Ball rows Single row bearing |