Inner dimension 20 mmOuter dimension 42 mmWidth 12 mmWeight 0,07 kgCage Hard tissue cage Seal None, open bearing Lubrication hole Without lubrication groove Contact angle 21 degree Arrangement Single universal bearing Lubrication Preserved Material Standard bearing steel Preload Medium preload 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 Material of rolling elements Standard bearing steel |