SIFT BEARING STORE CATALOG

478XA/472TimkenTapered Roller

478XA/472 is a Timken tapered roller bearing, bore 64.99 mm, O.D. 120 mm, width 29.01 mm, weight 1.43 kg. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d64.99mm
Outside dia. D120mm
Width B29.01mm
Weight1.43kg
Mean dia. dm92.5mm

Original catalogue drawing - Timken - Single Row

478XA/472 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. D120 mmBore d64.99 mmWidth B29.01 mmCup width C24.24 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 diameter64.9882.5586
DOutside diameter1204.7244
BInner-ring / bearing width29.0071.142
TOverall assembly width29.7941.173
CCup / outer-ring width24.2370.9542
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)64.988
Outside dia. D (mm)120.000
Width B (mm)29.007
Overall width T (mm)29.794
Cup width C (mm)24.237

Weight

Cone weight (kg)0.94
Cup weight (kg)0.49
Total weight (kg)1.43

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)2.3
Housing fillet r max (mm)2.0

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.312 (dimensions) / p.32 (cone) / p.32 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
478/472TimkenTapered Roller6512029.01143 kN1.43
478/472ATimkenTapered Roller6512029.01143 kN1.4
478/473TimkenTapered Roller6512029.01143 kN1.48

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
39586/39520TimkenTapered Roller64.99112.7130.92-1.22
78255X/78537TimkenTapered Roller64.99136.5332.92-2.22
29588/29520TimkenTapered Roller64.99107.9525.4110 kN0.88
39586/39528TimkenTapered Roller64.99119.9830.92167 kN1.55
78255D/78537TimkenTapered Roller64.99136.5365.99298 kN4.55
78255D/78551TimkenTapered Roller64.99140.0365.99298 kN4.91
78255X/78549DTimkenTapered Roller64.99139.777.79353 kN4.99
78255X/78551TimkenTapered Roller64.99140.0332.92203 kN2.37

Request a quotation for 478XA/472

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