SIFT BEARING STORE CATALOG

30240TimkenTapered Roller

30240 is a Timken tapered roller bearing, bore 200 mm, O.D. 360 mm, width 58 mm, dynamic rating 891 kN. Dimensions, drawing, interchanges and price.

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Bore d200mm
Outside dia. D360mm
Width B58mm
Dynamic Cr891kN
Static C0r1330kN
Weight25.67kg
Cr / C0r0.67
Mean dia. dm280mm

Original catalogue drawing - Timken TRB Catalog, page 430

30240 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. D360 mmBore d200 mmWidth B58 mmCup width C48 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 diameter2007.874
DOutside diameter36014.1732
BInner-ring / bearing width582.2835
TOverall assembly width642.5197
CCup / outer-ring width481.8898
rChamfer (min)40.1575

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)200.000
Bore d (in)7.8740
Outside dia. D (mm)360.000
Outside dia. D (in)14.1732
Width B (mm)58.000
Overall width T (mm)64.000
Overall width T (in)2.5197
Cup width C (mm)48.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)200000
Basic static load rating Cor (lbs)299000
Basic dynamic load rating Cr (N)891000
Basic static load rating C0r (N)1330000
Dynamic rating C1 (N, ISO)891000
Dynamic rating C1 (lbf, ISO)200000
Radial rating C90 (N)231000
Radial rating C90 (lbf)51900
Thrust rating Ca90 (N)172000
Thrust rating Ca90 (lbf)38700
Static rating C0 (N)1330000
Static rating C0 (lbf)299000
Factor e0.44
Factor Y1.38
Factor K1.34
Geometry factor G1876.8
Geometry factor G2106.9
Geometry factor Cg0.1350
Effective load centre a (mm)7.9

Weight

Weight (kg)25.67

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)5.0
Housing fillet r max (mm)4.0
Shaft shoulder da (mm)227.0
Shaft shoulder db (mm)231.0
Housing shoulder Da (mm)335.5
Housing shoulder Db (mm)331.0
Cage projection Aa (mm)4.6
Cage projection Ab (mm)9.7

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
4222,7501023,386
6148,50039213,083
8111,3751,02434,133
1089,1002,15471,814
1559,4008,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 891,000 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.430 (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
6240-MFAGBall20036058270 kN27
QJ240-N2-MPAFAGBall20036058510 kN28
N240-E-M1FAGCylindrical Roller20036058750 kN27.2
NJ240-E-M1FAGCylindrical Roller20036058750 kN27.5
NU240-E-M1FAGCylindrical Roller20036058750 kN27.2
NUP240-E-M1FAGCylindrical Roller20036058750 kN28
20240-MBFAGSpherical Roller20036058730 kN26.7
30240-AFAGTapered Roller20036058770 kN25.5
30240-XLFAGTapered Roller20036058900 kN25.3
B7240-C-T-P4SFAGPrecision / Angular Contact20036058325 kN24.1

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
32040XTimkenTapered Roller20031070847 kN18.68
32240TimkenTapered Roller200360981390 kN42.51
32940TimkenTapered Roller20028051530 kN9.45
JHM840449/JHM840410TimkenTapered Roller20030062695 kN15.32
L540048/L540010TimkenTapered Roller2002541.5-3.17
X32040X/Y32040XTimkenTapered Roller20031070--
X32040XM/Y32040XMTimkenTapered Roller2003101401480 kN39.08
X32940M/Y32940MTimkenTapered Roller20028051--

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