Composition of basic materialDesignation according toSKFISO 1629ASTM1) D1418ISO 1043-1ASTM D1600DIN 7728 Part1Acrylonitrile-butadiene rubber (nitrile rubber)R, RGNBRNBRHydrogenated acrylonitrile-butadiene rubber (SKF Duratemp)HHNBRHNBRCarboxylated ni

ShaftDiameterdiametertolerance (ISO h11)1)NominalDeviationd1overincl.highlowmmμm6100-9010180-11018300-13030500-16050800-190801200-2201201800-2501802500-2902503150-3203154000-3604005000-4005006300-4406308000-5008001 0000-5601 0001 2500-6601 2501

Viscosity gradeKinematic viscosity limits at 40 °C (105 °F)meanmin.max.-mm2/sISO VG 22,21,982,42ISO VG 33,22,883,52ISO VG 54,64,145,06ISO VG 76,86,127,48ISO VG 10109,0011,0ISO VG 151513,516,5ISO VG 222219,824,2ISO VG 323228,835,2ISO VG 464641,450

Shaft diameterLoad ratingsFatigue loadlimitCalculation factorsBearing meandiameterfromtodynamicstaticCC0PueY1Y2Y0dmin.lbf.lbf.–in.1 7/161 1/216 60018 3002 0500.282.43.62.52.361 11/161 3/417 30019 8002 1300.262.63.92.52.561 15/16219 00022 5002 4700.2

LithiumCalciumSodiumLithiumCalciumSodiumBariumAluminiumClayPolyureasoapsoapsoapcomplexcomplexcomplexcomplexcomplexsoapsoapsoapsoapsoapLithium soap+o–+–oo–ooCalcium soapo+o+–oo–ooSodium soap–o+oo++–ooLithium complex soap++o++oo+––Calcium comp

IllustrationDesignationCharacteristics GE .. CGE .. CJ2(→ product section)(→ product table)Open (without seal), self-lubricating sliding surfaces have to be externally protected from contaminants;available in metric sizesGEH .. C(→ product se

Material codeUltimatecompressivestrengthMaximumrecommendedlinear speed1)Maximumrecommendedoperatingtemperature1)Maximumrecommendedbearing loadpressure1) at20 °C (70 °F)Maximumrecommendedbearing loadpressure1) at80 °C (175 °F)–N/mm2 (psi)m/s (

Bearing size1)Radial internal clearance of insert bearings in the seriesYAT 2, YAR 2, YARAG 2,YET 2, YEL 2, YELAG 2YSP 2, YSPAG 2,YSA 2min.max.min.max.–µm031025––041228––05–061228234107–081333284609–101436305111–131843386114–162051––17–

Number ofbearingsArrangementDesignation suffixSpeed reduction factorsfor matched setsfor bearings in the series718 .. D, 719 .. E and 70 .. E719 .. B and 70 .. B719 .. D, 70 .. D and 72 .. Dfor preload classfor preload classfor preload classA

Bore diameterRadial internal clearancedC1C2NormalC3C4C5≤min.max.min.max.min.max.min.max.min.max.min.max.mmµm–9,525053851081313202028