SIFT BEARING STORE CATALOG

EE321145/321245TimkenTapered Roller

EE321145/321245 is a Timken tapered roller bearing, bore 368.3 mm, O.D. 622.3 mm, width 139.7 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d368.3mm
Outside dia. D622.3mm
Width B139.7mm
Dynamic Cr2970kN
Static C0r5380kN
Weight167.16kg
Cr / C0r0.55
Mean dia. dm495.3mm

Original catalogue drawing - Timken TRB Catalog, page 372

EE321145/321245 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. D622.3 mmBore d368.3 mmWidth B139.7 mmCup width C111.12 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 diameter368.314.5
DOutside diameter622.324.5
BInner-ring / bearing width139.75.5
TOverall assembly width142.8755.625
CCup / outer-ring width111.1254.375
rChamfer (min)6.40.252

Notes

Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. 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)368.300
Bore d (in)14.5000
Outside dia. D (mm)622.300
Outside dia. D (in)24.5000
Width B (mm)139.700
Overall width T (mm)142.875
Overall width T (in)5.6250
Cup width C (mm)111.125

Load ratings & speeds

Basic dynamic load rating Cr (lbs)668000
Basic static load rating Cor (lbs)1210000
Basic dynamic load rating Cr (N)2970000
Basic static load rating C0r (N)5380000
Dynamic rating C1 (N, ISO)2970000
Dynamic rating C1 (lbf, ISO)668000
Radial rating C90 (N)770000
Radial rating C90 (lbf)173000
Thrust rating Ca90 (N)470000
Thrust rating Ca90 (lbf)106000
Static rating C0 (N)5380000
Static rating C0 (lbf)1210000
Factor e0.36
Factor Y1.68
Factor K1.64
Geometry factor G14401.5
Geometry factor G2304.6
Geometry factor Cg0.2173
Effective load centre a (mm)-23.6

Weight

Weight (kg)167.16

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)8.0
Housing fillet r max (mm)6.4
Shaft shoulder da (mm)404.0
Shaft shoulder db (mm)413.0
Housing shoulder Da (mm)571.0
Housing shoulder Db (mm)561.0
Cage projection Aa (mm)21.1
Cage projection Ab (mm)4.9

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
4742,5001023,386
6495,00039213,083
8371,2501,02434,133
10297,0002,15471,814
15198,0008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,970,000 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.372 (dimensions)
Series typeTS

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
EE321145/321240TimkenTapered Roller368.3609.6139.72970 kN156.49

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
EE181453/182350TimkenTapered Roller368.3596.992.081770 kN90.79
EE181453/182351DTimkenTapered Roller368.3596.9203.23090 kN194.15
EE181454D/182350TimkenTapered Roller368.3596.9158.753090 kN165.6
EE321146D/321240TimkenTapered Roller368.3609.6279.45170 kN301
HM265049D/HM265010TimkenTapered Roller368.3523.88185.743960 kN131.8
HM265049TD/HM265010TimkenTapered Roller368.3523.88185.743960 kN141.4
HM265049/HM265010TimkenTapered Roller368.25523.88101.62270 kN69.2
HM265049/HM265010CDTimkenTapered Roller368.25523.88214.313960 kN143

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