SIFT BEARING STORE CATALOG

31322XTimkenTapered Roller

31322X is a Timken tapered roller bearing, bore 110 mm, O.D. 240 mm, width 57 mm, dynamic rating 523 kN. Dimensions, drawing, interchanges and price.

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Bore d110mm
Outside dia. D240mm
Width B57mm
Dynamic Cr523kN
Static C0r663kN
Weight12.13kg
Cr / C0r0.79
Mean dia. dm175mm

Original catalogue drawing - Timken TRB Catalog, page 422

31322X 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. D240 mmBore d110 mmWidth B57 mmCup width C38 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 diameter2409.4488
BInner-ring / bearing width572.2441
TOverall assembly width632.4803
CCup / outer-ring width381.4961
rChamfer (min)30.1181

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)240.000
Outside dia. D (in)9.4488
Width B (mm)57.000
Overall width T (mm)63.000
Overall width T (in)2.4803
Cup width C (mm)38.000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)117000
Basic static load rating Cor (lbs)149000
Basic dynamic load rating Cr (N)523000
Basic static load rating C0r (N)663000
Dynamic rating C1 (N, ISO)523000
Dynamic rating C1 (lbf, ISO)117000
Radial rating C90 (N)135000
Radial rating C90 (lbf)30500
Thrust rating Ca90 (N)191000
Thrust rating Ca90 (lbf)43000
Static rating C0 (N)663000
Static rating C0 (lbf)149000
Factor e0.83
Factor Y0.73
Factor K0.71
Geometry factor G1250.5
Geometry factor G234.3
Geometry factor Cg0.1380
Effective load centre a (mm)11.7

Weight

Weight (kg)12.13

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)4.0
Housing fillet r max (mm)3.0
Shaft shoulder da (mm)135.0
Shaft shoulder db (mm)150.0
Housing shoulder Da (mm)224.5
Housing shoulder Db (mm)206.0
Cage projection Aa (mm)13.2
Cage projection Ab (mm)9.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
4130,7501023,386
687,16739213,083
865,3751,02434,133
1052,3002,15471,814
1534,8678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 523,000 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.422 (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
31322-XFAGTapered Roller11024057465 kN12.3
31322-X-XLFAGTapered Roller11024057550 kN12.2
HR31322NSKTapered Roller11024057580 kN12.3

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30222TimkenTapered Roller11020038374 kN5.24
30322TimkenTapered Roller11024050502 kN11.5
32022XTimkenTapered Roller11017038282 kN3.06
32222TimkenTapered Roller11020053493 kN7.28
32322TimkenTapered Roller11024080760 kN16.99
33022TimkenTapered Roller11017047341 kN3.82
33122TimkenTapered Roller11018056412 kN5.38
71433X/71750TimkenTapered Roller110190.53.5-5.44

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