Inner dimension 55 mmOuter dimension 90 mmWidth 36 mmWeight 0,76 kgLubrication hole Without lubrication groove Lubrication Preserved Arrangement Single universal bearing Material Standard bearing steel Ball rows Double row bearing Tolerance class inner ring More accurate than P2 or ABEC 9 Tolerance class outer ring More accurate than P2 or ABEC 9 Cage Hard tissue cage Seal None, open bearing Contact angle 21 degree Temperature range -40 to +110 °C Material of rolling elements Standard bearing steel Preload High preload |