SIFT BEARING STORE CATALOG

66589/66520TimkenTapered Roller

66589/66520 is a Timken tapered roller bearing, bore 59.97 mm, O.D. 122.24 mm, width 31.75 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly
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Bore d59.97mm
Outside dia. D122.24mm
Width B31.75mm
Weight1.65kg
Mean dia. dm91.1mm

Original catalogue drawing - Timken - Single Row

66589/66520 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. D122.24 mmBore d59.97 mmWidth B31.75 mmCup width C23.81 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 diameter59.9722.3611
DOutside diameter122.2384.8125
BInner-ring / bearing width31.751.25
TOverall assembly width33.3381.3125
CCup / outer-ring width23.8120.9375
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)59.972
Bore d (in)2.3611
Outside dia. D (mm)122.238
Outside dia. D (in)4.8125
Width B (mm)31.750
Width B (in)1.2500
Overall width T (mm)33.338
Overall width T (in)1.3125
Cup width C (mm)23.812
Cup width C (in).9375

Weight

Cone weight (kg)1.11
Cup weight (kg)0.54
Total weight (kg)1.65

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm).8
Housing fillet r max (mm)3.3

Source & traceability

BrandTimken
Source catalogueTimken Bearing Dimension Catalog
Catalogue pagep.311 (dimensions) / p.102 (cone) / p.102 (cup)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
66585/66520TimkenTapered Roller60122.2431.75183 kN1.62
66586/66520TimkenTapered Roller59.98122.2431.75155 kN1.63

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
66589/66522DTimkenTapered Roller59.97129.9869.85319 kN3.94

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
28980/28919TimkenTapered Roller59.9899.9825.4-0.76
28980/28921TimkenTapered Roller59.9810025.4106 kN0.75
28980/28921DTimkenTapered Roller59.9810055.56185 kN1.67
66586/66520TimkenTapered Roller59.98122.2431.75155 kN1.63
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

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