>> P.125
DimensionsandtolerancesNominalouterdiameterReferencevalueagainsttheouterringouterdiameter(bearingouterdiameter)/actualouterdiametertoleranceNominalinnerdiameterReferencevalueagainsttheinnerringinnerdiameter(bearinginnerdiameter)/actualinnerdiametertolerancePitchcirclediameterBall(rollingelement)orbitalracewaydiameterRadialrunoutAxialrunoutRacewayringrunoutintheradialdirectionRacewayringrunoutintheaxialdirectionInequalityofwidthDifferencebetweenthemaximumandminimumwidthofoneracewayringLubricantsGreaseViscosityPenetrationThickenerDroppointSemi-solidlubricantinwhichbaseoilisdiffusedbythickenerMeasureoftheviscousnessoflubricantoilMeasureofthehardnessofgreaseUsedtoretainthebaseoilandkeepthegreasesemi-solidTemperatureatwhichthegreasewillmeltanddripOilseparationDegreetowhichthebaseoilseparatesSoapBaseoilOilfilmChannelingtypeandchurningtypeOnetypeofthickenerOilusedasthebaseoflubricantsTheoilfilmformedbetweentheballsandtheracewayringWhenthebearingisrotatedandthepassageoftherollingelementsshiftsthegrease,onetypeofgreaseislikelytoaccumulatetherewhiletheothertendstoclingonceagaintotherollingelementsurfacesandracewaygroove.Theformertypeofgreaseiscalledthechannelingtypeandthelatterthechurningtype.125
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