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