SIFT BEARING STORE CATALOG

22778/22720TimkenTapered Roller

22778/22720 is a Timken tapered roller bearing, bore 41.27 mm, O.D. 82.55 mm, width 26.99 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d41.27mm
Outside dia. D82.55mm
Width B26.99mm
Weight0.65kg
Mean dia. dm61.9mm

Original catalogue drawing - Timken - Single Row

22778/22720 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. D82.55 mmBore d41.27 mmWidth B26.99 mmCup width C20.64 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 diameter41.2751.625
DOutside diameter82.553.25
BInner-ring / bearing width26.9881.0625
TOverall assembly width26.1951.0313
CCup / outer-ring width20.6380.8125
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)41.275
Bore d (in)1.6250
Outside dia. D (mm)82.550
Outside dia. D (in)3.2500
Width B (mm)26.988
Overall width T (mm)26.195
Overall width T (in)1.0313
Cup width C (mm)20.638

Weight

Cone weight (kg)0.43
Cup weight (kg)0.22
Total weight (kg)0.65

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.5
Housing fillet r max (mm)3.3

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.306 (dimensions) / p.78 (cone) / p.78 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
22778/22721TimkenTapered Roller41.2782.5526.9992.9 kN0.64

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
22778/22721TimkenTapered Roller41.2782.5526.9992.9 kN0.64

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
11162/11300TimkenTapered Roller41.2776.217.3848.1 kN0.34
11162/11315TimkenTapered Roller41.278017.3848.1 kN0.39
18590/18520TimkenTapered Roller41.2773.0317.4650.8 kN0.28
24780/24720TimkenTapered Roller41.2776.223.0275.5 kN0.43
24780/24721TimkenTapered Roller41.2776.223.0275.5 kN0.47
24780/24722TimkenTapered Roller41.2776.223.0275.5 kN0.42
24781/24720TimkenTapered Roller41.2776.223.0275.5 kN0.43
24781/24721TimkenTapered Roller41.2776.223.0275.5 kN0.47

Request a quotation for 22778/22720

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