SIFT BEARING STORE CATALOG

30312TimkenTapered Roller

30312 is a Timken tapered roller bearing, bore 60 mm, O.D. 130 mm, width 31 mm, dynamic rating 201 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D130mm
Width B31mm
Dynamic Cr201kN
Static C0r221kN
Weight1.96kg
Cr / C0r0.91
Mean dia. dm95mm

Original catalogue drawing - Timken TRB Catalog, page 406

30312 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. D130 mmBore d60 mmWidth B31 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 diameter602.3622
DOutside diameter1305.1181
BInner-ring / bearing width311.2205
TOverall assembly width33.51.3189
CCup / outer-ring width261.0236
rChamfer (min)2.50.0984

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)130.000
Outside dia. D (in)5.1181
Width B (mm)31.000
Overall width T (mm)33.500
Overall width T (in)1.3189
Cup width C (mm)26.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)45300
Basic static load rating Cor (lbs)49800
Basic dynamic load rating Cr (N)201000
Basic static load rating C0r (N)221000
Dynamic rating C1 (N, ISO)201000
Dynamic rating C1 (lbf, ISO)45300
Radial rating C90 (N)52200
Radial rating C90 (lbf)11700
Thrust rating Ca90 (N)30800
Thrust rating Ca90 (lbf)6930
Static rating C0 (N)221000
Static rating C0 (lbf)49800
Factor e0.35
Factor Y1.74
Factor K1.69
Geometry factor G175.8
Geometry factor G222.2
Geometry factor Cg0.0710
Effective load centre a (mm)-7.1

Weight

Weight (kg)1.96

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)3.0
Housing fillet r max (mm)2.5
Shaft shoulder da (mm)69.0
Shaft shoulder db (mm)74.0
Housing shoulder Da (mm)121.0
Housing shoulder Db (mm)116.0
Cage projection Aa (mm)2.5
Cage projection Ab (mm)4.0

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
450,2501023,386
633,50039213,083
825,1251,02434,133
1020,1002,15471,814
1513,4008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 201,000 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
1312-K-TVH-C3FAGBall601303158 kN1.94
1312-TVHFAGBall601303158 kN1.97
6312FAGBall601303181.5 kN1.75
6312-2RSRFAGBall601303181.5 kN1.79
6312-2ZFAGBall601303181.5 kN1.79
6312-CFAGBall601303189 kN1.71
6312-C-2BRSFAGBall601303189 kN1.75
6312-C-2HRSFAGBall601303189 kN1.75
6312-C-2ZFAGBall601303189 kN1.74
QJ312-MPAFAGBall6013031146 kN2.2

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
31312TimkenTapered Roller6013031171 kN1.97

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
31312TimkenTapered Roller6013031171 kN1.97
32012XTimkenTapered Roller60952396.7 kN0.6
32212TimkenTapered Roller6011028149 kN1.16
32312TimkenTapered Roller6013046264 kN2.89

Request a quotation for 30312

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