Inner dimension 20 mmOuter dimension 42 mmWidth 24 mmWeight 0,14 kgLubrication hole Without lubrication groove Seal None, open bearing Arrangement Single universal bearing Lubrication Preserved Contact angle 21 degree Ball rows Double row bearing Preload Medium preload Material Standard bearing steel Tolerance class inner ring More accurate than P2 or ABEC 9 Tolerance class outer ring More accurate than P4 or ABEC 7 Temperature range -40 to +110 °C Cage Hard tissue cage Material of rolling elements Standard bearing steel |