SIFT BEARING STORE CATALOG

82550/82931TimkenTapered Roller

82550/82931 is a Timken tapered roller bearing, bore 139.7 mm, O.D. 236.54 mm, width 3.5 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d139.7mm
Outside dia. D236.54mm
Width B3.5mm
Weight9.87kg
Mean dia. dm188.1mm

Original catalogue drawing - Timken - Single Row

82550/82931 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. D236.54 mmBore d139.7 mmWidth B3.5 mmCup width C44.45 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 diameter139.75.5
DOutside diameter236.5389.3125
BInner-ring / bearing width3.50.1378
TOverall assembly width57.152.25
CCup / outer-ring width44.451.75
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)139.700
Bore d (in)5.5000
Outside dia. D (mm)236.538
Outside dia. D (in)9.3125
Width B (mm)3.5
Width B (in)2.2300
Overall width T (mm)57.150
Overall width T (in)2.2500
Cup width C (mm)44.450
Cup width C (in)1.7500

Weight

Cone weight (kg)6.84
Cup weight (kg)3.03
Total weight (kg)9.87

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)6.84
Housing fillet r max (mm)3.3

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.320 (dimensions) / p.111 (cone) / p.111 (cup)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
82550/82951CDTimkenTapered Roller139.7241.3131.76897 kN23.09

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
48680D/48620TimkenTapered Roller139.7200.0375.41499 kN8.13
73551/73875TimkenTapered Roller139.7222.2531.62293 kN4.29
73551/73876CDTimkenTapered Roller139.7222.2575.69510 kN9.36
74550/74845TimkenTapered Roller139.7214.9747.62382 kN5.86
74550/74850TimkenTapered Roller139.7215.947.62382 kN5.97
74550/74851CDTimkenTapered Roller139.7215.9106.36665 kN12.73
74550A/74850TimkenTapered Roller139.7215.947.62382 kN5.96
74550A/74851CDTimkenTapered Roller139.7215.9106.36665 kN12.71

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