SIFT BEARING STORE CATALOG

78225/78537TimkenTapered Roller

78225/78537 is a Timken tapered roller bearing, bore 57.15 mm, O.D. 136.53 mm, width 33.24 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d57.15mm
Outside dia. D136.53mm
Width B33.24mm
Weight2.42kg
Mean dia. dm96.8mm

Original catalogue drawing - Timken - Single Row

78225/78537 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. D136.53 mmBore d57.15 mmWidth B33.24 mmCup width C23.52 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 diameter57.152.25
DOutside diameter136.5255.375
BInner-ring / bearing width33.2361.3085
TOverall assembly width36.5131.4375
CCup / outer-ring width23.520.926
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)57.150
Bore d (in)2.2500
Outside dia. D (mm)136.525
Outside dia. D (in)5.3750
Width B (mm)33.236
Width B (in)1.3085
Overall width T (mm)36.513
Overall width T (in)1.4375
Cup width C (mm)23.520
Cup width C (in).9260

Weight

Cone weight (kg)1.66
Cup weight (kg)0.76
Total weight (kg)2.42

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.311 (dimensions) / p.109 (cone) / p.109 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
78225C/78537TimkenTapered Roller57.15136.5333.24237 kN2.52

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
78225/78549DTimkenTapered Roller57.15139.777.79353 kN5.4
78225/78551TimkenTapered Roller57.15140.0333.24203 kN2.57

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
28682/28621TimkenTapered Roller57.1596.8424.61123 kN0.71
28682/28622TimkenTapered Roller57.1597.6324.61123 kN0.73
28682/28623TimkenTapered Roller57.1598.4224.61123 kN0.75
29665/29620TimkenTapered Roller57.15112.7125.4111 kN1.2
29665/29622DTimkenTapered Roller57.15114.2958.74192 kN2.76
33225/33461TimkenTapered Roller57.15117.4730.16-1.56
33225/33462DTimkenTapered Roller57.15117.4766.67241 kN3.43
387-S/382TimkenTapered Roller57.1598.4221.95108 kN0.64

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