SIFT BEARING STORE CATALOG

31324XTimkenTapered Roller

31324X is a Timken tapered roller bearing, bore 120 mm, O.D. 260 mm, width 62 mm, dynamic rating 606 kN. Dimensions, drawing, interchanges and price.

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Bore d120mm
Outside dia. D260mm
Width B62mm
Dynamic Cr606kN
Static C0r777kN
Weight15.37kg
Cr / C0r0.78
Mean dia. dm190mm

Original catalogue drawing - Timken TRB Catalog, page 422

31324X 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. D260 mmBore d120 mmWidth B62 mmCup width C42 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 diameter1204.7244
DOutside diameter26010.2362
BInner-ring / bearing width622.4409
TOverall assembly width682.6772
CCup / outer-ring width421.6535
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)120.000
Bore d (in)4.7244
Outside dia. D (mm)260.000
Outside dia. D (in)10.2362
Width B (mm)62.000
Overall width T (mm)68.000
Overall width T (in)2.6772
Cup width C (mm)42.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)136000
Basic static load rating Cor (lbs)175000
Basic dynamic load rating Cr (N)606000
Basic static load rating C0r (N)777000
Dynamic rating C1 (N, ISO)606000
Dynamic rating C1 (lbf, ISO)136000
Radial rating C90 (N)157000
Radial rating C90 (lbf)35300
Thrust rating Ca90 (N)222000
Thrust rating Ca90 (lbf)49900
Static rating C0 (N)777000
Static rating C0 (lbf)175000
Factor e0.83
Factor Y0.73
Factor K0.71
Geometry factor G1303.2
Geometry factor G237.8
Geometry factor Cg0.1380
Effective load centre a (mm)13.2

Weight

Weight (kg)15.37

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)4.0
Housing fillet r max (mm)3.0
Shaft shoulder da (mm)147.1
Shaft shoulder db (mm)172.0
Housing shoulder Da (mm)244.1
Housing shoulder Db (mm)223.0
Cage projection Aa (mm)13.5
Cage projection Ab (mm)10.4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
4151,5001023,386
6101,00039213,083
875,7501,02434,133
1060,6002,15471,814
1540,4008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 606,000 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.422 (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
31324-XFAGTapered Roller12026062540 kN15.4
31324-X-XLFAGTapered Roller12026062640 kN15.8
HR31324NSKTapered Roller12026062685 kN15.6
HR31324JNSKTapered Roller1202606295,500 lbs15.644

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30224TimkenTapered Roller12021540374 kN6.24
30324TimkenTapered Roller12026055624 kN14.17
32024XTimkenTapered Roller12018038292 kN3.27
32224TimkenTapered Roller12021558553 kN9.27
32324TimkenTapered Roller12026086908 kN21.52
32924TimkenTapered Roller12016529179 kN1.78
33024TimkenTapered Roller12018048352 kN4.19
74473X/74845TimkenTapered Roller120214.974-7.4

Request a quotation for 31324X

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