Inner dimension 20 mmOuter dimension 42 mmWidth 12 mmWeight 0,07 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 Lubrication Preserved Version High-speed bearing Current insulation Insulating ceramic balls Contact angle 15 degree 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 Preload Light preload Temperature range -40 to +110 °C Ball rows Single row bearing |