Bearing componentSeriesTolerance class1)ShaftcentredHousingcentredNeedle roller and cage thrust assembliesAXKh8–Universal washersLSh8radial spaceradial spaceH9Thin universal washersASh8radial spaceradial spaceH9Shaft washersWS 811h8–Housing washers

Bore diameterTolerance class JS7dDeviation≤ULmmμm1830+10,5–10,53050+12,5–12,55080+15–15

Combined loadPure radial loadPure axial loadThe resulting load direction is determined by the ratio of radial to axial load.Load direction 0°Load direction 90°Example: Deep groove ball bearingExample: NU design cylindrical roller bearing (accommoda

Seat diameterRecommended Ra value for ground seatsShaftHousing boreBearings to tolerance classBearings to tolerance classP4, P4A, P4C, SPP2, PA9A, UPP4, P4A, P4C, SPP2, PA9A, UPoverincl.max.max.mmµmµm–800,20,10,40,4802500,40,20,40,42505000,80,40,8

Bearing unitGrease quantitySize–gSYNT 35FYNT 353SYNT 40FYNT 404SYNT 45FYNT 454SYNT 50FYNT 504SYNT 55FYNT 555SYNT 60FYNT 606SYNT 65FYNT 657SYNT 70FYNT 708SYNT 75FYNT 758SYNT 80FYNT 809SYNT 90FYNT 9013SYNT 100FYNT 10017

SeriesSizeMaterialMaterial No.SA(A)SI(A)6 to 80Heat treatable steel C45+QTzinc coated and passivated1.0503SCSCF20 to 80Construction steel S 355 J2G3 (St 52-3 N)1.0570SIQG12 to 6370 to 200Heat treatable steel C45EN-GJS-400-151.0503-SIJ12 to 5060 to 10

PropertiesBase oil typeMineralPAOEsterPAGPour point [°C]–30 .. 0–50 .. –40–60 .. –40approx. –30                  [°F]–20 .. 30–60 .. –40–75 .. –40approx. –20Viscosity indexlowmoderatehighhighPressure-viscositycoefficien

MaterialsMachinedsteelSheetsteelGlass fibrereinforcedPA66Suffix––TN

Preload change of abearing setWidth reductionRequisite spacer ring between bearings arrangedValueback-to-backface-to-faceIncreasing the preload   from A to Bainnerouterfrom B to Cbinnerouterfrom C to Dcinnerouterfrom A to Ca + binnerouterfrom A to

CharacteristicsVariants (fig. 1)VA201VA228Lubrication typePolyalkylene glycol/graphitemixtureCoronet cage made ofgraphitePhosphated rings, rolling elements and cages✔✔NSF H1 food grade✘✔Shields and flingers (suffix 2F)✔✔Relubrication-free✔✔M