SIFT BEARING STORE CATALOG

33021TimkenTapered Roller

33021 is a Timken tapered roller bearing, bore 105 mm, O.D. 160 mm, width 43 mm, dynamic rating 291 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D160mm
Width B43mm
Dynamic Cr291kN
Static C0r449kN
Weight2.94kg
Cr / C0r0.65
Mean dia. dm132.5mm

Original catalogue drawing - Timken TRB Catalog, page 420

33021 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. D160 mmBore d105 mmWidth B43 mmCup width C34 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 diameter1054.1339
DOutside diameter1606.2992
BInner-ring / bearing width431.6929
TOverall assembly width431.6929
CCup / outer-ring width341.3386
rChamfer (min)20.0787

Notes

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)105.000
Bore d (in)4.1339
Outside dia. D (mm)160.000
Outside dia. D (in)6.2992
Width B (mm)43.000
Overall width T (mm)43.000
Overall width T (in)1.6929
Cup width C (mm)34.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)65400
Basic static load rating Cor (lbs)101000
Basic dynamic load rating Cr (N)291000
Basic static load rating C0r (N)449000
Dynamic rating C1 (N, ISO)291000
Dynamic rating C1 (lbf, ISO)65400
Radial rating C90 (N)75400
Radial rating C90 (lbf)17000
Thrust rating Ca90 (N)36500
Thrust rating Ca90 (lbf)8200
Static rating C0 (N)449000
Static rating C0 (lbf)101000
Factor e0.28
Factor Y2.12
Factor K2.07
Geometry factor G1236.3
Geometry factor G254.8
Geometry factor Cg0.0975
Effective load centre a (mm)-12.2

Weight

Weight (kg)2.94

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)2.5
Housing fillet r max (mm)2.0
Shaft shoulder da (mm)113.0
Shaft shoulder db (mm)118.0
Housing shoulder Da (mm)153.0
Housing shoulder Db (mm)147.0
Cage projection Aa (mm)3.1
Cage projection Ab (mm)3.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
472,7501023,386
648,50039213,083
836,3751,02434,133
1029,1002,15471,814
1519,4008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 291,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandTimken
Source catalogueTimken Tapered Roller Bearing Catalog (2016)
Catalogue pagep.420 (dimensions)
Series typeTS

ISO dynamic rating C1, Timken C90 / Ca90, static rating C0, geometry factors and assembly weight.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
33021FAGTapered Roller10516043265 kN3.34
HR33021NSKTapered Roller10516043315 kN3.03
HR33021JNSKTapered Roller1051604357,600 lbs3.03

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
X33021M/Y33021MTimkenTapered Roller10516043--

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30221TimkenTapered Roller10519036325 kN4.47
32021XTimkenTapered Roller10516035227 kN2.4
32221TimkenTapered Roller10519050398 kN5.94
32321TimkenTapered Roller10522577726 kN13.99
X30221M/Y30221MTimkenTapered Roller10519039--
X32021X/Y32021XTimkenTapered Roller10516035--
X32221M/Y32221MTimkenTapered Roller10519053--
X33021M/Y33021MTimkenTapered Roller10516043--

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