SIFT BEARING STORE CATALOG

31322-XFAGTapered Roller

31322-X is a FAG tapered roller bearing, bore 110 mm, O.D. 240 mm, width 57 mm, dynamic rating 465 kN. Dimensions, drawing, interchanges and price.

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Bore d110mm
Outside dia. D240mm
Width B57mm
Dynamic Cr465kN
Static C0r590kN
Limiting speed2,800rpm
Weight12.3kg
Cr / C0r0.79
Mean dia. dm175mm

Original catalogue drawing - FAG Schaeffler HR 1, page 486

31322-X FAG 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

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
Outside dia. D (mm)240
Width B (mm)57
Overall width T (mm)63
Cup width C (mm)38
Inner-ring OD d1 (mm)178

Load ratings & speeds

Basic dynamic load rating Cr (lbs)104536
Basic static load rating Cor (lbs)132637
Basic dynamic load rating Cr (N)465000
Basic static load rating C0r (N)590000
Basic dynamic axial rating Ca (N)7
Fatigue limit load Cur (N)70000
Factor e0.83
Factor Y0.73
Factor Y00.4
Limiting speed nG (rpm)2,800
Reference speed nB (rpm)2,600
Effective load centre a (mm)75

Weight

Weight (kg)12.3

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)4
Shaft shoulder da (mm)135
Shaft shoulder db (mm)124
Housing shoulder Da (mm)226
Housing shoulder Db (mm)224
Housing fillet ra max (mm)4
Fillet rb max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 900 rpm
4116,2501021,881
677,5003927,268
858,1251,02418,963
1046,5002,15439,897
1531,0008,323154,138

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 465,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.486 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
HR31322NSKTapered Roller11024057580 kN12.3
31322XTimkenTapered Roller11024057523 kN12.13

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
31322-X-XLFAGTapered Roller11024057550 kN12.2

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
31322-X-XLFAGTapered Roller11024057550 kN12.2
31322-X-XL-DF-A200-250FAGTapered Roller110240None940 kN26.2
31322-X-XL-P5-DF-A120-160FAGTapered Roller110240None940 kN26.2
31322-X-XL-P5-DF-A140-180FAGTapered Roller110240None940 kN26.2
31322-X-XL-P5-DF-A60-100FAGTapered Roller110240None940 kN26.2

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30222-AFAGTapered Roller11020038315 kN5.23
30222-XLFAGTapered Roller11020038375 kN5.68
30322-AFAGTapered Roller11024050475 kN11
30322-XLFAGTapered Roller11024050570 kN11
32022-XFAGTapered Roller11017038241 kN3.35
32022-X-XLFAGTapered Roller11017038285 kN3.06
32022-X-XL-DF-A170-230FAGTapered Roller110170None490 kN6.31
32022-X-XL-DF-A220-270FAGTapered Roller110170None490 kN6.31

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