SIFT BEARING STORE CATALOG

31319TimkenTapered Roller

31319 is a Timken tapered roller bearing, bore 95 mm, O.D. 200 mm, width 45 mm, dynamic rating 360 kN. Dimensions, drawing, interchanges and price.

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Bore d95mm
Outside dia. D200mm
Width B45mm
Dynamic Cr360kN
Static C0r438kN
Weight6.63kg
Cr / C0r0.82
Mean dia. dm147.5mm

Original catalogue drawing - Timken TRB Catalog, page 418

31319 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. D200 mmBore d95 mmWidth B45 mmCup width C32 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 diameter953.7402
DOutside diameter2007.874
BInner-ring / bearing width451.7717
TOverall assembly width49.51.9488
CCup / outer-ring width321.2598
rChamfer (min)30.1181

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)95.000
Bore d (in)3.7402
Outside dia. D (mm)200.000
Outside dia. D (in)7.8740
Width B (mm)45.000
Overall width T (mm)49.500
Overall width T (in)1.9488
Cup width C (mm)32.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)81000
Basic static load rating Cor (lbs)98400
Basic dynamic load rating Cr (N)360000
Basic static load rating C0r (N)438000
Dynamic rating C1 (N, ISO)360000
Dynamic rating C1 (lbf, ISO)81000
Radial rating C90 (N)93400
Radial rating C90 (lbf)21000
Thrust rating Ca90 (N)132000
Thrust rating Ca90 (lbf)29700
Static rating C0 (N)438000
Static rating C0 (lbf)98400
Factor e0.83
Factor Y0.73
Factor K0.71
Geometry factor G1167.0
Geometry factor G229.8
Geometry factor Cg0.1140
Effective load centre a (mm)12.7

Weight

Weight (kg)6.63

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)4.0
Housing fillet r max (mm)3.0
Shaft shoulder da (mm)117.0
Shaft shoulder db (mm)134.0
Housing shoulder Da (mm)189.0
Housing shoulder Db (mm)171.0
Cage projection Aa (mm)8.1
Cage projection Ab (mm)7.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
490,0001023,386
660,00039213,083
845,0001,02434,133
1036,0002,15471,814
1524,0008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 360,000 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.418 (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
1319-K-M-C3FAGBall9520045134 kN7.2
1319-MFAGBall9520045134 kN7.29
6319FAGBall9520045154 kN6.23
6319-2RSRFAGBall9520045154 kN6.317
6319-2ZFAGBall9520045154 kN6.2
QJ319-N2-MPAFAGBall9520045285 kN7.45
N319-E-M1FAGCylindrical Roller9520045390 kN7.05
N319-E-XL-M1FAGCylindrical Roller9520045390 kN7.12
NJ319-E-TVP2FAGCylindrical Roller9520045390 kN6.44
NJ319-E-XL-TVP2FAGCylindrical Roller9520045390 kN6.44

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
30319TimkenTapered Roller9520045428 kN6.64

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30319TimkenTapered Roller9520045428 kN6.64
32019XTimkenTapered Roller9514532186 kN1.77
32219TimkenTapered Roller9517043316 kN4.06
32319TimkenTapered Roller9520067578 kN9.74
33019TimkenTapered Roller9514539246 kN2.23
683X/672TimkenTapered Roller95168.2841.27-3.69
862/852TimkenTapered Roller95190.557.53-7.42
J594X/592ATimkenTapered Roller95152.436.32216 kN2.43

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