SIFT BEARING STORE CATALOG

31315TimkenTapered Roller

31315 is a Timken tapered roller bearing, bore 75 mm, O.D. 160 mm, width 37 mm, dynamic rating 248 kN. Dimensions, drawing, interchanges and price.

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Bore d75mm
Outside dia. D160mm
Width B37mm
Dynamic Cr248kN
Static C0r278kN
Weight3.46kg
Cr / C0r0.89
Mean dia. dm117.5mm

Original catalogue drawing - Timken TRB Catalog, page 412

31315 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. D160 mmBore d75 mmWidth B37 mmCup width C26 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 diameter752.9528
DOutside diameter1606.2992
BInner-ring / bearing width371.4567
TOverall assembly width401.5748
CCup / outer-ring width261.0236
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)75.000
Bore d (in)2.9528
Outside dia. D (mm)160.000
Outside dia. D (in)6.2992
Width B (mm)37.000
Overall width T (mm)40.000
Overall width T (in)1.5748
Cup width C (mm)26.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)55800
Basic static load rating Cor (lbs)62500
Basic dynamic load rating Cr (N)248000
Basic static load rating C0r (N)278000
Dynamic rating C1 (N, ISO)248000
Dynamic rating C1 (lbf, ISO)55800
Radial rating C90 (N)64400
Radial rating C90 (lbf)14500
Thrust rating Ca90 (N)90900
Thrust rating Ca90 (lbf)20400
Static rating C0 (N)278000
Static rating C0 (lbf)62500
Factor e0.83
Factor Y0.73
Factor K0.71
Geometry factor G191.5
Geometry factor G221.4
Geometry factor Cg0.0930
Effective load centre a (mm)10.2

Weight

Weight (kg)3.46

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.0
Housing fillet r max (mm)2.5
Shaft shoulder da (mm)91.0
Shaft shoulder db (mm)108.0
Housing shoulder Da (mm)151.5
Housing shoulder Db (mm)138.0
Cage projection Aa (mm)6.9
Cage projection Ab (mm)5.0

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
462,0001023,386
641,33339213,083
831,0001,02434,133
1024,8002,15471,814
1516,5338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 248,000 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.412 (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
1315-K-M-C3FAGBall751603780 kN3.81
1315-MFAGBall751603780 kN3.86
6315FAGBall7516037123 kN3.18
6315-2RSRFAGBall7516037123 kN3.18
6315-2ZFAGBall7516037123 kN3.23
QJ315-N2-MPAFAGBall7516037212 kN3.95
QJ315-XL-N2-MPAFAGBall7516037229 kN3.95
N315-E-TVP2FAGCylindrical Roller7516037285 kN3.34
N315-E-XL-TVP2FAGCylindrical Roller7516037285 kN3.34
NJ315-E-TVP2FAGCylindrical Roller7516037285 kN3.39

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
30315TimkenTapered Roller7516037299 kN3.65

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30215TimkenTapered Roller7513025158 kN1.35
30315TimkenTapered Roller7516037299 kN3.65
32015XTimkenTapered Roller7511525114 kN0.91
32215TimkenTapered Roller7513031184 kN1.69
32315TimkenTapered Roller7516055357 kN5.06
33015TimkenTapered Roller7511531158 kN1.15
33115TimkenTapered Roller7512537205 kN1.76
33215TimkenTapered Roller7513041236 kN2.17

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