SIFT BEARING STORE CATALOG

28980/28919TimkenTapered Roller

28980/28919 is a Timken tapered roller bearing, bore 59.98 mm, O.D. 99.98 mm, width 25.4 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d59.98mm
Outside dia. D99.98mm
Width B25.4mm
Weight0.76kg
Mean dia. dm80mm

Original catalogue drawing - Timken - Single Row

28980/28919 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. D99.98 mmBore d59.98 mmWidth B25.4 mmCup width C19.05 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 diameter59.9772.3613
DOutside diameter99.9793.9362
BInner-ring / bearing width25.41
TOverall assembly width24.6050.9687
CCup / outer-ring width19.050.75
rChamfer (min)1.50.0591

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)59.977
Bore d (in)2.3613
Outside dia. D (mm)99.979
Outside dia. D (in)3.9362
Width B (mm)25.400
Width B (in)1.0000
Overall width T (mm)24.605
Overall width T (in).9687
Cup width C (mm)19.050
Cup width C (in).7500

Weight

Cone weight (kg)0.54
Cup weight (kg)0.22
Total weight (kg)0.76

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.5
Housing fillet r max (mm)1.5

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.311 (dimensions) / p.82 (cone) / p.82 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
28980/28921TimkenTapered Roller59.9810025.4106 kN0.75

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
28980/28921TimkenTapered Roller59.9810025.4106 kN0.75
28980/28921DTimkenTapered Roller59.9810055.56185 kN1.67

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
66586/66520TimkenTapered Roller59.98122.2431.75155 kN1.63
66589/66520TimkenTapered Roller59.97122.2431.75-1.65
66589/66522DTimkenTapered Roller59.97129.9869.85319 kN3.94
39236/39412TimkenTapered Roller59.99104.7822115 kN0.74
39236/39433TimkenTapered Roller59.99110.0622115 kN0.86
3977X/3919RBTimkenTapered Roller59.99112.7128-1.26
3977X/3920TimkenTapered Roller59.99112.7128139 kN1.29
3977X/3921XATimkenTapered Roller59.99109.9828139 kN1.2

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