Auto BearingsStandard SpecificationsOuter/inner ringsChrome steel(GCr15) or martensitic stainless steel BallsSilicon nitride ceramicsCagePressed corrugated steel or NylonLubricationKyodo Yushi Multemp PSShieldsOpen, stainless steel or Teflon sealsCeramic material VS Steel materialCharacteristicGCR15 BallsSI3N4 BallsDifferentiateDensity(D) g/cc7.63.1-58%LighterHardness kgf/mm27001540+120HarderYoungs Modulus(E) gpa190310+63%FirmerHeat Rise Coefficient ppm/0c12.33.7-70%SmallerSurface Roughness um0.020.005+400%Features and ApplicationsFeaturesMajor ApplicationsIncreased speed capability over conventional all steel bearing Fishery equipmentIncreased stiffness Racing bicycleReduced weight SkateboardLess friction resulting in less heat High speed electro motion toolsReduced lubrication requirements Non-Conductive extended operation life Standard SpecificationsStandard inventory available: 68-,69-,60-,62-series with open shielded and contact-seal types.