SIFT BEARING STORE CATALOG

55187C/55434TimkenTapered Roller

55187C/55434 is a Timken tapered roller bearing, bore 47.62 mm, O.D. 109.98 mm, width 26.91 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d47.62mm
Outside dia. D109.98mm
Width B26.91mm
Weight1.35kg
Mean dia. dm78.8mm

Original catalogue drawing - Timken - Single Row

55187C/55434 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. D109.98 mmBore d47.62 mmWidth B26.91 mmCup width C19.73 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 diameter47.6251.875
DOutside diameter109.9854.3301
BInner-ring / bearing width26.9091.0594
TOverall assembly width29.2511.1516
CCup / outer-ring width19.7260.7766
rChamfer (min)30.1181

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)47.625
Bore d (in)1.8750
Outside dia. D (mm)109.985
Outside dia. D (in)4.3301
Width B (mm)26.909
Width B (in)1.0594
Overall width T (mm)29.251
Overall width T (in)1.1516
Cup width C (mm)19.726
Cup width C (in).7766

Weight

Cone weight (kg)0.91
Cup weight (kg)0.44
Total weight (kg)1.35

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.5
Housing fillet r max (mm)3.0

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.308 (dimensions) / p.99 (cone) / p.99 (cup)

Dimensions and component weights only - this catalogue publishes no load ratings or speeds.

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
55187/55434TimkenTapered Roller47.62109.9826.91-1.26

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
55187C/55437TimkenTapered Roller47.62111.1226.91151 kN1.41
55187C/55443TimkenTapered Roller47.62112.7126.91151 kN1.44

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
369-S/362TimkenTapered Roller47.629022.23102 kN0.56
369-S/362ATimkenTapered Roller47.6288.922.23102 kN0.56
369-S/363DTimkenTapered Roller47.629050.01177 kN1.27
369A/362TimkenTapered Roller47.629022.23102 kN0.56
369A/362ATimkenTapered Roller47.6288.922.23102 kN0.56
369A/363DTimkenTapered Roller47.629050.01177 kN1.27
3778/3720TimkenTapered Roller47.6293.2630.3122 kN0.89
3778/373TimkenTapered Roller47.6210030.3-1.07

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