SIFT BEARING STORE CATALOG

K3490-3420FAGTapered Roller

K3490-3420 is a FAG tapered roller bearing, bore 38.1 mm, O.D. 79.38 mm, width 29.77 mm. Dimensions, drawing, interchanges and price.

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Bore d38.1mm
Outside dia. D79.38mm
Width B29.77mm
Dynamic Cr90kN
Static C0r110kN
Limiting speed9,400rpm
Weight0.677kg
Cr / C0r0.82
Mean dia. dm58.7mm

Original catalogue drawing - FAG Schaeffler HR 1, page 616

K3490-3420 FAG Tapered Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D79.38 mmBore d38.1 mmWidth B29.77 mmCup width C23.81 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter38.11.5
DOutside diameter79.3753.125
BInner-ring / bearing width29.7711.1721
TOverall assembly width29.371.1563
CCup / outer-ring width23.8120.9375

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)38.1
Outside dia. D (mm)79.375
Width B (mm)29.771
Overall width T (mm)29.37
Cup width C (mm)23.812
Inner-ring OD d1 (mm)57.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)20233
Basic static load rating Cor (lbs)24729
Basic dynamic load rating Cr (N)90000
Basic static load rating C0r (N)110000
Basic dynamic axial rating Ca (N)2
Fatigue limit load Cur (N)13500
Factor e0.37
Factor Y1.64
Factor Y00.9
Limiting speed nG (rpm)9,400
Effective load centre a (mm)21

Weight

Weight (kg)0.677

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)45.5
Shaft shoulder db (mm)52
Housing shoulder Da (mm)67
Housing shoulder Db (mm)74
Housing fillet ra max (mm)3.6
Fillet rb max (mm)3.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
422,500102564
615,0003922,181
811,2501,0245,689
109,0002,15411,969
156,0008,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 90,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.616 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
3490/3420TimkenTapered Roller38.179.3829.77105 kN0.65

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
K4375-4335FAGTapered Roller38.190.4940.39142 kN1.33
KHM801346-HM801310FAGTapered Roller38.182.5528.5789 kN0.874
KLM29748-LM29710FAGTapered Roller38.165.0918.2944 kN0.227
KLM29749-LM29710FAGTapered Roller38.165.0918.2944 kN0.24
KLM29749-LM29711FAGTapered Roller38.165.0918.2945 kN0.275
320/38-XFAGTapered Roller38651849 kN0.252
KJL69349-JL69310FAGTapered Roller38631739.5 kN0.204
KHM89249-HM89210FAGTapered Roller36.5179.3828.8392 kN0.679

Request a quotation for K3490-3420

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