SIFT BEARING STORE CATALOG

L540049/L540010TimkenTapered Roller

L540049/L540010 is a Timken tapered roller bearing, bore 196.85 mm, O.D. 254 mm, width 55.57 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d196.85mm
Outside dia. D254mm
Width B55.57mm
Dynamic Cr367kN
Weight6.97kg
Mean dia. dm225.4mm

Original catalogue drawing - Timken TRB Catalog, page 718

L540049/L540010 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. D254 mmBore d196.85 mmWidth B55.57 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 diameter196.857.75
DOutside diameter25410
BInner-ring / bearing width55.5662.1876
TOverall assembly width57.152.25

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)196.850
Bore d (in)7.7500
Outside dia. D (mm)254.000
Outside dia. D (in)10.0000
Width B (mm)55.566
Width B (in)2.1876
Overall width T (mm)57.150
Overall width T (in)2.2500

Load ratings & speeds

Basic dynamic load rating Cr (lbs)82500
Basic dynamic load rating Cr (N)367000
Dynamic rating C1 (N, ISO)367000
Dynamic rating C1 (lbf, ISO)82500
Radial rating C90 (N)54700
Radial rating C90 (lbf)12300
Thrust rating Ca90 (N)37100
Thrust rating Ca90 (lbf)8350
Factor e0.40
Factor Y11.70
Factor Y22.53
Factor K1.47

Weight

Weight (kg)6.97
Cone weight (kg)2.34
Cup weight (kg)1.02
Total weight (kg)3.36

Mounting dimensions (fillets / shoulders)

Shaft shoulder db (mm)205.0
Housing shoulder Da (mm)243.0

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
491,7501023,386
661,16739213,083
845,8751,02434,133
1036,7002,15471,814
1524,4678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 367,000 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.718 (dimensions) / p.192 (cone) / p.192 (cup)
Series typeTS

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
93775/93125TimkenTapered Roller196.85317.563.5731 kN18.75
93775/93127CDTimkenTapered Roller196.85317.5146.051270 kN41.22
LL639249/LL639210TimkenTapered Roller196.85241.31.5-2.11
LM739749/LM739710TimkenTapered Roller196.85257.1839.69318 kN5.27
LM739749/LM739710CDTimkenTapered Roller196.85257.1885.72554 kN11.13
LM739749/LM739719TimkenTapered Roller196.85266.739.69318 kN6.19
LM739749WE/LM739710TimkenTapered Roller196.85257.183.5-5.42
67981/67919TimkenTapered Roller198.3279.43.5-9.1

Request a quotation for L540049/L540010

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry formrichard@bearingsfit.com