SIFT BEARING STORE CATALOG

HH953749/HH953710DTimkenTapered Roller

HH953749/HH953710D is a Timken tapered roller bearing, bore 254 mm, O.D. 533.4 mm, height 276.23 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d254mm
Outside dia. D533.4mm
Overall width T276.23mm
Dynamic Cr4670kN
Weight266.11kg
Mean dia. dm393.7mm

Original catalogue drawing - Timken TRB Catalog, page 580

HH953749/HH953710D 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

DdTOutside dia. D533.4 mmBore d254 mmOverall width T276.23 mmCup width C165.1 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 diameter25410
DOutside diameter533.421
TOverall assembly width276.22510.875
CCup / outer-ring width165.16.5
rChamfer (min)1.50.0591

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)254.000
Bore d (in)10.0000
Outside dia. D (mm)533.400
Outside dia. D (in)21.0000
Overall width T (mm)276.225
Overall width T (in)10.8750
Cup width C (mm)165.100
Cup width C (in)6.5000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1050000
Basic dynamic load rating Cr (N)4670000
Dynamic rating C1 (N, ISO)4670000
Dynamic rating C1 (lbf, ISO)1050000
Radial rating C90 (N)696000
Radial rating C90 (lbf)156000
Thrust rating Ca90 (N)1120000
Thrust rating Ca90 (lbf)251000
Factor e0.94
Factor Y10.72
Factor Y21.07
Factor K0.62
Geometry factor G11668.7
Geometry factor G2104.2
Geometry factor Cg0.2101

Weight

Weight (kg)266.11

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)6.4
Housing fillet r max (mm)1.5
Shaft shoulder db (mm)328.0
Housing shoulder Da (mm)495.7

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
41,167,5001023,386
6778,33339213,083
8583,7501,02434,133
10467,0002,15471,814
15311,3338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 4,670,000 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.580 (dimensions)
Series typeTDO

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
HH953749/HH953710TimkenTapered Roller254533.4120.652680 kN127.31
HH953749/HH953710XTimkenTapered Roller254533.4120.652680 kN127.09

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29875/29820TimkenTapered Roller254323.8522.23151 kN4.27
29875/29820DTimkenTapered Roller254323.8563.5263 kN11.05
EE134100/134143TimkenTapered Roller254365.1258.74679 kN18.23
EE134100/134144CDTimkenTapered Roller254365.12130.181180 kN39.21
EE134100/134145TimkenTapered Roller254368.358.74679 kN18.85
EE171000D/171400TimkenTapered Roller254355.692.86976 kN27.99
EE171000D/171436TimkenTapered Roller254365.0592.86976 kN30.85
EE171000D/171450TimkenTapered Roller254368.392.86976 kN32.05

Request a quotation for HH953749/HH953710D

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