SIFT BEARING STORE CATALOG

33122TimkenTapered Roller

33122 is a Timken tapered roller bearing, bore 110 mm, O.D. 180 mm, width 56 mm, dynamic rating 412 kN. Dimensions, drawing, interchanges and price.

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Bore d110mm
Outside dia. D180mm
Width B56mm
Dynamic Cr412kN
Static C0r635kN
Weight5.38kg
Cr / C0r0.65
Mean dia. dm145mm

Original catalogue drawing - Timken TRB Catalog, page 420

33122 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. D180 mmBore d110 mmWidth B56 mmCup width C43 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 diameter1104.3307
DOutside diameter1807.0866
BInner-ring / bearing width562.2047
TOverall assembly width562.2047
CCup / outer-ring width431.6929
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)110.000
Bore d (in)4.3307
Outside dia. D (mm)180.000
Outside dia. D (in)7.0866
Width B (mm)56.000
Overall width T (mm)56.000
Overall width T (in)2.2047
Cup width C (mm)43.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)92700
Basic static load rating Cor (lbs)143000
Basic dynamic load rating Cr (N)412000
Basic static load rating C0r (N)635000
Dynamic rating C1 (N, ISO)412000
Dynamic rating C1 (lbf, ISO)92700
Radial rating C90 (N)107000
Radial rating C90 (lbf)24000
Thrust rating Ca90 (N)76600
Thrust rating Ca90 (lbf)17200
Static rating C0 (N)635000
Static rating C0 (lbf)143000
Factor e0.42
Factor Y1.43
Factor K1.40
Geometry factor G1285.0
Geometry factor G257.3
Geometry factor Cg0.1110
Effective load centre a (mm)-11.9

Weight

Weight (kg)5.38

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)2.5
Housing fillet r max (mm)2.0
Shaft shoulder da (mm)121.0
Shaft shoulder db (mm)130.0
Housing shoulder Da (mm)173.5
Housing shoulder Db (mm)162.0
Cage projection Aa (mm)6.1
Cage projection Ab (mm)3.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
4103,0001023,386
668,66739213,083
851,5001,02434,133
1041,2002,15471,814
1527,4678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 412,000 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
23122-E1-XL-K-TVPBFAGSpherical Roller11018056530 kN4.9
23122-E1-XL-TVPBFAGSpherical Roller11018056530 kN5.3
23122-E1A-XL-K-MFAGSpherical Roller11018056530 kN5.1
23122-E1A-XL-MFAGSpherical Roller11018056530 kN5.5
33122-XLFAGTapered Roller11018056440 kN5.64
23122CAME4NSKSpherical Roller1101805686,500 lbs5.457
23122CE4NSKSpherical Roller1101805686,500 lbs5.625
HR33122JNSKTapered Roller1101805682,100 lbs5.534

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30222TimkenTapered Roller11020038374 kN5.24
30322TimkenTapered Roller11024050502 kN11.5
31322XTimkenTapered Roller11024057523 kN12.13
32022XTimkenTapered Roller11017038282 kN3.06
32222TimkenTapered Roller11020053493 kN7.28
32322TimkenTapered Roller11024080760 kN16.99
33022TimkenTapered Roller11017047341 kN3.82
71433X/71750TimkenTapered Roller110190.53.5-5.44

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