SIFT BEARING STORE CATALOG

LM814845/LM814810TimkenTapered Roller

LM814845/LM814810 is a Timken tapered roller bearing, bore 73.03 mm, O.D. 117.47 mm, width 25.4 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d73.03mm
Outside dia. D117.47mm
Width B25.4mm
Dynamic Cr118kN
Static C0r183kN
Weight1.02kg
Cr / C0r0.64
Mean dia. dm95.2mm

Original catalogue drawing - Timken TRB Catalog, page 262

LM814845/LM814810 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. D117.47 mmBore d73.03 mmWidth B25.4 mmCup width C19.05 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 diameter73.0252.875
DOutside diameter117.4754.625
BInner-ring / bearing width25.41
TOverall assembly width25.41
CCup / outer-ring width19.050.75
rChamfer (min)3.30.1299

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)73.025
Bore d (in)2.8750
Outside dia. D (mm)117.475
Outside dia. D (in)4.6250
Width B (mm)25.400
Overall width T (mm)25.400
Overall width T (in)1.0000
Cup width C (mm)19.050

Load ratings & speeds

Basic dynamic load rating Cr (lbs)26500
Basic static load rating Cor (lbs)41200
Basic dynamic load rating Cr (N)118000
Basic static load rating C0r (N)183000
Dynamic rating C1 (N, ISO)118000
Dynamic rating C1 (lbf, ISO)26500
Radial rating C90 (N)30600
Radial rating C90 (lbf)6870
Thrust rating Ca90 (N)26700
Thrust rating Ca90 (lbf)5990
Static rating C0 (N)183000
Static rating C0 (lbf)41200
Factor e0.51
Factor Y1.18
Factor K1.15
Geometry factor G188.6
Geometry factor G236.6
Geometry factor Cg0.1239
Effective load centre a (mm)2.3

Weight

Weight (kg)1.02
Cone weight (kg)0.72
Cup weight (kg)0.29
Total weight (kg)1.01

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.5
Housing fillet r max (mm)3.3
Shaft shoulder da (mm)81.0
Shaft shoulder db (mm)87.0
Housing shoulder Da (mm)113.0
Housing shoulder Db (mm)105.0
Cage projection Aa (mm)2.4
Cage projection Ab (mm)1.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
429,5001023,386
619,66739213,083
814,7501,02434,133
1011,8002,15471,814
157,8678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 118,000 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.262 (dimensions) / p.215 (cone) / p.215 (cup)
Series typeTS

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
27680/27620TimkenTapered Roller73.03125.4125.4117 kN1.29
29685/29620TimkenTapered Roller73.03112.7125.4111 kN0.88
29685/29622DTimkenTapered Roller73.03114.2958.74192 kN2.06
33287/33461TimkenTapered Roller73.03117.4730.16-1.18
33287/33462TimkenTapered Roller73.03117.4730.16138 kN1.18
33287/33462DTimkenTapered Roller73.03117.4766.67241 kN2.64
33287A/33472TimkenTapered Roller73.0312030.16138 kN1.27
42683/42620TimkenTapered Roller73.0312731161 kN1.51

Request a quotation for LM814845/LM814810

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