SIFT BEARING STORE CATALOG

31314TimkenTapered Roller

31314 is a Timken tapered roller bearing, bore 70 mm, O.D. 150 mm, width 35 mm, dynamic rating 213 kN. Dimensions, drawing, interchanges and price.

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Bore d70mm
Outside dia. D150mm
Width B35mm
Dynamic Cr213kN
Static C0r235kN
Weight2.92kg
Cr / C0r0.91
Mean dia. dm110mm

Original catalogue drawing - Timken TRB Catalog, page 410

31314 Timken 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. D150 mmBore d70 mmWidth B35 mmCup width C25 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 diameter702.7559
DOutside diameter1505.9055
BInner-ring / bearing width351.378
TOverall assembly width381.4961
CCup / outer-ring width250.9843
rChamfer (min)2.50.0984

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)70.000
Bore d (in)2.7559
Outside dia. D (mm)150.000
Outside dia. D (in)5.9055
Width B (mm)35.000
Overall width T (mm)38.000
Overall width T (in)1.4961
Cup width C (mm)25.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)47900
Basic static load rating Cor (lbs)52900
Basic dynamic load rating Cr (N)213000
Basic static load rating C0r (N)235000
Dynamic rating C1 (N, ISO)213000
Dynamic rating C1 (lbf, ISO)47900
Radial rating C90 (N)55200
Radial rating C90 (lbf)12400
Thrust rating Ca90 (N)78000
Thrust rating Ca90 (lbf)17500
Static rating C0 (N)235000
Static rating C0 (lbf)52900
Factor e0.83
Factor Y0.73
Factor K0.71
Geometry factor G175.8
Geometry factor G229.5
Geometry factor Cg0.0873
Effective load centre a (mm)9.1

Weight

Weight (kg)2.92

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.0
Housing fillet r max (mm)2.5
Shaft shoulder da (mm)85.0
Shaft shoulder db (mm)101.0
Housing shoulder Da (mm)141.5
Housing shoulder Db (mm)129.0
Cage projection Aa (mm)5.9
Cage projection Ab (mm)4.8

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
453,2501023,386
635,50039213,083
826,6251,02434,133
1021,3002,15471,814
1514,2008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 213,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandTimken
Source catalogueTimken Tapered Roller Bearing Catalog (2016)
Catalogue pagep.410 (dimensions)
Series typeTS

ISO dynamic rating C1, Timken C90 / Ca90, static rating C0, geometry factors and assembly weight.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1314-MFAGBall701503575 kN3.22
6314FAGBall7015035115 kN2.55
6314-2RSRFAGBall7015035115 kN2.6
6314-2ZFAGBall7015035115 kN2.6
QJ314-MPAFAGBall7015035183 kN3.29
QJ314-XL-MPAFAGBall7015035198 kN3.29
N314-E-TVP2FAGCylindrical Roller7015035242 kN2.79
N314-E-XL-TVP2FAGCylindrical Roller7015035242 kN2.79
NJ314-E-TVP2FAGCylindrical Roller7015035242 kN2.84
NJ314-E-XL-TVP2FAGCylindrical Roller7015035242 kN2.84

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
30314TimkenTapered Roller7015035251 kN2.97

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29677/29620TimkenTapered Roller70112.7125.4-0.96
30214TimkenTapered Roller7012524138 kN1.23
30314TimkenTapered Roller7015035251 kN2.97
32014XTimkenTapered Roller7011025112 kN0.86
32214TimkenTapered Roller7012531182 kN1.63
32314TimkenTapered Roller7015051366 kN4.39
33014TimkenTapered Roller7011031153 kN1.11
33114TimkenTapered Roller7012037198 kN1.69

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