SIFT BEARING STORE CATALOG

EE662303/663550TimkenTapered Roller

EE662303/663550 is a Timken tapered roller bearing, bore 584.2 mm, O.D. 901.7 mm, width 139.7 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d584.2mm
Outside dia. D901.7mm
Width B139.7mm
Dynamic Cr4980kN
Static C0r7590kN
Weight305.28kg
Cr / C0r0.66
Mean dia. dm743mm

Original catalogue drawing - Timken TRB Catalog, page 384

EE662303/663550 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. D901.7 mmBore d584.2 mmWidth B139.7 mmCup width C107.95 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 diameter584.223
DOutside diameter901.735.5
BInner-ring / bearing width139.75.5
TOverall assembly width150.025.9063
CCup / outer-ring width107.954.25
rChamfer (min)9.70.3819

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)584.200
Bore d (in)23.0000
Outside dia. D (mm)901.700
Outside dia. D (in)35.5000
Width B (mm)139.700
Overall width T (mm)150.020
Overall width T (in)5.9063
Cup width C (mm)107.950

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1120000
Basic static load rating Cor (lbs)1710000
Basic dynamic load rating Cr (N)4980000
Basic static load rating C0r (N)7590000
Dynamic rating C1 (N, ISO)4980000
Dynamic rating C1 (lbf, ISO)1120000
Radial rating C90 (N)1290000
Radial rating C90 (lbf)290000
Thrust rating Ca90 (N)732000
Thrust rating Ca90 (lbf)165000
Static rating C0 (N)7590000
Static rating C0 (lbf)1710000
Factor e0.33
Factor Y1.81
Factor K1.76
Geometry factor G18756.7
Geometry factor G2477.1
Geometry factor Cg0.2638
Effective load centre a (mm)0.3

Weight

Weight (kg)305.28
Cup weight (kg)87.41

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)8.0
Housing fillet r max (mm)9.7
Shaft shoulder da (mm)624.0
Shaft shoulder db (mm)633.0
Housing shoulder Da (mm)848.1
Housing shoulder Db (mm)843.0
Cage projection Aa (mm)20.7
Cage projection Ab (mm)7.2

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
41,245,0001023,386
6830,00039213,083
8622,5001,02434,133
10498,0002,15471,814
15332,0008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 4,980,000 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.384 (dimensions) / p.199 (cone) / p.199 (cup)
Series typeTS

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
EE662303/663551DTimkenTapered Roller584.2901.7298.458670 kN612.14

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
L778149/L778110TimkenTapered Roller584.2709.6157.151210 kN43.61
LL778149/LL778110TimkenTapered Roller584.2685.849.21798 kN29.06
LM778549/LM778510TimkenTapered Roller584.27626.4-117.06
LM778549/LM778510DTimkenTapered Roller584.2762228.64220 kN245.35
LM278848D/LM278810TimkenTapered Roller585.79771.52230.195730 kN302.76
LM278849/LM278810TimkenTapered Roller585.79771.526.4--
LM278849/LM278810CDTimkenTapered Roller585.79771.52269.055730 kN323.6
LM278849D/LM278810TimkenTapered Roller585.79771.52230.195730 kN302.98

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