SIFT BEARING STORE CATALOG

3781/373TimkenTapered Roller

3781/373 is a Timken tapered roller bearing, bore 49.21 mm, O.D. 100 mm, width 30.3 mm, weight 1.06 kg. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d49.21mm
Outside dia. D100mm
Width B30.3mm
Weight1.06kg
Mean dia. dm74.6mm

Original catalogue drawing - Timken - Single Row

3781/373 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. D100 mmBore d49.21 mmWidth B30.3 mmCup width C25 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 diameter49.2121.9375
DOutside diameter1003.937
BInner-ring / bearing width30.3021.193
TOverall assembly width28.1731.1092
CCup / outer-ring width250.9843
rChamfer (min)20.0787

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)49.212
Bore d (in)1.9375
Outside dia. D (mm)100.000
Outside dia. D (in)3.9370
Width B (mm)30.302
Width B (in)1.1930
Overall width T (mm)28.173
Overall width T (in)1.1092
Cup width C (mm)25.000
Cup width C (in).9842

Weight

Cone weight (kg)0.59
Cup weight (kg)0.47
Total weight (kg)1.06

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.5
Housing fillet r max (mm)2.0

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.308 (dimensions) / p.54 (cone) / p.26 (cup)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
3781/3720TimkenTapered Roller49.2193.2630.3122 kN0.88
3781/3729DTimkenTapered Roller49.2193.2665.09213 kN1.88

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
365-S/362TimkenTapered Roller49.219022.23-0.53
365-S/362ATimkenTapered Roller49.2188.922.23102 kN0.54
365-S/362XTimkenTapered Roller49.219022.23102 kN0.62
5395/5320TimkenTapered Roller49.21101.244.48-1.65
5395/5335TimkenTapered Roller49.21103.1944.48212 kN1.72
545/532TimkenTapered Roller49.21111.1236.96-1.78
5562/5520TimkenTapered Roller49.21120.2543.76-2.64
5562/5535TimkenTapered Roller49.21122.2443.76237 kN2.72

Request a quotation for 3781/373

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