Operating conditionsTolerance class1)Sliding contact surface combinationsteel/steel, SKF Explorer steel/steel,steel/bronzesteel/PTFE sintered bronze,steel/PTFE fabric, steel/PTFE FRPRadial spherical plain bearingsLoads of all kinds,interference fitm6

Bearing typeNominal bore diameterSliding factorConstantSeriesdb3KMoverincl.-mm--Radial bearingsGEP .. FS-18011 0551804401,151 055440-1,351 055GEC .. FBAS-44011 055440-1,151 055Angular contact bearings1)GAC .. F-60148060-1,5480Thrust bearingsGX .. F-6

Bore diameter1)Seals with outside diameter ofsteelelastomerDToleranceNominal sealSeal outsideNominal sealSeal outsideoverincl.outside diameterdiameter toleranceoutside diameterdiameter tolerancein.in.in.2.000±0.001+0.005±0.002+0.008±0.0032.0003.00

Needle roller and cage assembly:K 16x22x12Housing bore diameter:22H6Ⓔ [mm], deviation 0/+13 μmShaft diameter:16h5Ⓔ [mm], deviation 0/−8 μmShaft diameterHousing bore diameterDeviation groupDeviation groups0 to +3+3 to +6+6 to +9+9 to +13Needlerol

Bearing unitAttachment boltsSizeSizeTightening torque1)––NmSYNT 35M 1280SYNT 40M 1280SYNT 45M 1280SYNT 50M 16200SYNT 55M 16200SYNT 60M 16200SYNT 65M 16200SYNT 70M 20385SYNT 75M 20385SYNT 80M 20385SYNT 90M 24665SYNT 100M 24665FYNT 35M 1280FYNT 40M 1

Bore diameterRadial internal clearanceDeep groove ball bearingsInsert bearingsdMultiples of C5 ≤min.max.min.max.mmμm –1096136––1018112160––1824124172569624301361926010630401722368012840501922729014650652303401101806580270400––80100320460–

Surface profileRaRzRmaxRmrMaterial ratio curve–μmμmμm%–Eroded surface2,47,310,4≈ 40Machined surface2,59,510,2≈ 20 … 25Ground and polished surface0,091,21,8≈ 90

Bearing typeSingle directionbearingsDouble directionbearingsDouble directionbearings for boltmountingCartridge unitsBearing seriesBSA, BSDBEASBEAMFBSASelection criteriaAxial stiffness++++++Axial load carrying capacity++++++++Running accuracy++++++++S

Bearing arrangementLoad caseComparative equivalentdynamic radial load1a)Fa ≤ 0,6 FrL/KLPFL1 = 0,5 FrL + 0,83 KLFaPFL2 = 0,5 FrL - 0,83 KLFaPFN = FrNLocatingNon-locating1b)Fa0,6 FrL/KLPFL1 = 0,4 FrL + KLFaPFL2 = 0PFN = FrN1c)Fa = 0PFL1 = FrLLocatingN

Nominal seal outsideSeals with outside diameter ofdiametersteelelastomerDSeal outside diameter toleranceSeal outside diameter toleranceoverincl.highlowhighlowmmmmmm50+0,20+0,08+0,30+0,155080+0,23+0,09+0,35+0,2080120+0,25+0,10+0,35+0,20120180+0,28+0,1