SIFT BEARING STORE CATALOG

32021XTimkenTapered Roller

32021X is a Timken tapered roller bearing, bore 105 mm, O.D. 160 mm, width 35 mm, dynamic rating 227 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm
Outside dia. D160mm
Width B35mm
Dynamic Cr227kN
Static C0r339kN
Weight2.4kg
Cr / C0r0.67
Mean dia. dm132.5mm

Original catalogue drawing - Timken TRB Catalog, page 420

32021X 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 B35 mmCup width C26 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 width351.378
TOverall assembly width351.378
CCup / outer-ring width261.0236
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)35.000
Overall width T (mm)35.000
Overall width T (in)1.3780
Cup width C (mm)26.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)51000
Basic static load rating Cor (lbs)76200
Basic dynamic load rating Cr (N)227000
Basic static load rating C0r (N)339000
Dynamic rating C1 (N, ISO)227000
Dynamic rating C1 (lbf, ISO)51000
Radial rating C90 (N)58900
Radial rating C90 (lbf)13200
Thrust rating Ca90 (N)44800
Thrust rating Ca90 (lbf)10100
Static rating C0 (N)339000
Static rating C0 (lbf)76200
Factor e0.44
Factor Y1.35
Factor K1.31
Geometry factor G1176.5
Geometry factor G250.7
Geometry factor Cg0.1024
Effective load centre a (mm)-0.3

Weight

Weight (kg)2.4

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)119.0
Housing shoulder Da (mm)154.0
Housing shoulder Db (mm)146.0
Cage projection Aa (mm)3.2
Cage projection Ab (mm)2.7

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
456,7501023,386
637,83339213,083
828,3751,02434,133
1022,7002,15471,814
1515,1338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 227,000 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
32021-XFAGTapered Roller10516035202 kN2.33
32021-X-XLFAGTapered Roller10516035238 kN2.45
HR32021NSKTapered Roller10516035250 kN2.48
HR32021XJNSKTapered Roller10516035204,000 lbs2.481

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
X32021X/Y32021XTimkenTapered Roller10516035--

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30221TimkenTapered Roller10519036325 kN4.47
32221TimkenTapered Roller10519050398 kN5.94
32321TimkenTapered Roller10522577726 kN13.99
33021TimkenTapered Roller10516043291 kN2.94
X30221M/Y30221MTimkenTapered Roller10519039--
X32021X/Y32021XTimkenTapered Roller10516035--
X32221M/Y32221MTimkenTapered Roller10519053--
X33021M/Y33021MTimkenTapered Roller10516043--

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