Inner dimension 40 mmOuter dimension 68 mmWidth 15 mmWeight 0,18 kgCage Hard tissue cage Seal None, open bearing Lubrication hole Without lubrication groove Contact angle 21 degree Arrangement Single universal bearing Material Standard bearing steel Lubrication Preserved Preload Light preload Temperature range -40 to +110 °C Tolerance class inner ring More accurate than P4 or ABEC 7 Tolerance class outer ring More accurate than P5 or ABEC 5 Ball rows Single row bearing Material of rolling elements Standard bearing steel |