SIFT BEARING STORE CATALOG

6581X/6520TimkenTapered Roller

6581X/6520 is a Timken tapered roller bearing, bore 90 mm, O.D. 169.85 mm, width 55.1 mm, weight 5.33 kg. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d90mm
Outside dia. D169.85mm
Width B55.1mm
Weight5.33kg
Mean dia. dm129.9mm

Original catalogue drawing - Timken - Single Row

6581X/6520 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. D169.85 mmBore d90 mmWidth B55.1 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 diameter903.5433
DOutside diameter169.856.687
BInner-ring / bearing width55.12.1693
TOverall assembly width53.9752.125
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)90.000
Bore d (in)3.5433
Outside dia. D (mm)169.850
Outside dia. D (in)6.6870
Width B (mm)55.100
Width B (in)2.1693
Overall width T (mm)53.975
Overall width T (in)2.1250
Cup width C (mm)44.450
Cup width C (in)1.7500

Weight

Cone weight (kg)2.95
Cup weight (kg)2.38
Total weight (kg)5.33

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.0
Housing fillet r max (mm)3.3

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.316 (dimensions) / p.60 (cone) / p.60 (cup)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
6581X/6525XTimkenTapered Roller9016055.1439 kN4.49
6581X/6535TimkenTapered Roller90161.9355.1439 kN4.64

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30218TimkenTapered Roller9016030240 kN2.63
30318TimkenTapered Roller9019043375 kN5.56
31318TimkenTapered Roller9019043324 kN5.93
32018XTimkenTapered Roller9014032183 kN1.7
32218TimkenTapered Roller9016040312 kN3.47
32318TimkenTapered Roller9019064575 kN8.51
33118TimkenTapered Roller9015045306 kN3.15
42354X/42584TimkenTapered Roller90148.4328.97-1.9

Request a quotation for 6581X/6520

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