Inner dimension 40 mmOuter dimension 68 mmWidth 30 mmWeight 0,36 kgLubrication hole Without lubrication groove Cage Hard tissue cage Seal None, open bearing Arrangement Single universal bearing Lubrication Preserved Contact angle 21 degree Ball rows Double row bearing Preload Light preload Material Standard bearing steel 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 Material of rolling elements Standard bearing steel |