SIFT BEARING STORE CATALOG

33112TimkenTapered Roller

33112 is a Timken tapered roller bearing, bore 60 mm, O.D. 100 mm, width 30 mm, dynamic rating 137 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D100mm
Width B30mm
Dynamic Cr137kN
Static C0r180kN
Weight0.92kg
Cr / C0r0.76
Mean dia. dm80mm

Original catalogue drawing - Timken TRB Catalog, page 406

33112 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. D100 mmBore d60 mmWidth B30 mmCup width C23 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 diameter602.3622
DOutside diameter1003.937
BInner-ring / bearing width301.1811
TOverall assembly width301.1811
CCup / outer-ring width230.9055
rChamfer (min)1.50.0591

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)60.000
Bore d (in)2.3622
Outside dia. D (mm)100.000
Outside dia. D (in)3.9370
Width B (mm)30.000
Overall width T (mm)30.000
Overall width T (in)1.1811
Cup width C (mm)23.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)30700
Basic static load rating Cor (lbs)40500
Basic dynamic load rating Cr (N)137000
Basic static load rating C0r (N)180000
Dynamic rating C1 (N, ISO)137000
Dynamic rating C1 (lbf, ISO)30700
Radial rating C90 (N)35400
Radial rating C90 (lbf)7970
Thrust rating Ca90 (N)24100
Thrust rating Ca90 (lbf)5420
Static rating C0 (N)180000
Static rating C0 (lbf)40500
Factor e0.40
Factor Y1.51
Factor K1.47
Geometry factor G161.7
Geometry factor G223.9
Geometry factor Cg0.1021
Effective load centre a (mm)-6.4

Weight

Weight (kg)0.92

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)1.5
Housing fillet r max (mm)1.5
Shaft shoulder da (mm)67.0
Shaft shoulder db (mm)72.0
Housing shoulder Da (mm)96.0
Housing shoulder Db (mm)90.0
Cage projection Aa (mm)2.4
Cage projection Ab (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
434,2501023,386
622,83339213,083
817,1251,02434,133
1013,7002,15471,814
159,1338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 137,000 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.406 (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
33112FAGTapered Roller6010030116 kN1.01
HR33112JNSKTapered Roller601003025,900 lbs0.912

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
X33112/Y33112TimkenTapered Roller6010030--

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
29580/29520TimkenTapered Roller60107.9525.4131 kN0.98
29580/29521TimkenTapered Roller6011025.4131 kN1.05
29582/29522TimkenTapered Roller60107.9525.4131 kN1
30212TimkenTapered Roller6011022107 kN0.88
30312TimkenTapered Roller6013031201 kN1.96
31312TimkenTapered Roller6013031171 kN1.97
32012XTimkenTapered Roller60952396.7 kN0.6
32212TimkenTapered Roller6011028149 kN1.16

Request a quotation for 33112

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.