SIFT BEARING STORE CATALOG

32248-AFAGTapered Roller

32248-A is a FAG tapered roller bearing, bore 240 mm, O.D. 440 mm, width 120 mm, dynamic rating 1860 kN. Dimensions, drawing, interchanges and price.

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Bore d240mm
Outside dia. D440mm
Width B120mm
Dynamic Cr1860kN
Static C0r3150kN
Limiting speed1,400rpm
Weight80.5kg
Cr / C0r0.59
Mean dia. dm340mm

Original catalogue drawing - FAG Schaeffler HR 1, page 490

32248-A 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. D440 mmBore d240 mmWidth B120 mmCup width C100 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 diameter2409.4488
DOutside diameter44017.3228
BInner-ring / bearing width1204.7244
TOverall assembly width1275
CCup / outer-ring width1003.937

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)240
Outside dia. D (mm)440
Width B (mm)120
Overall width T (mm)127
Cup width C (mm)100
Inner-ring OD d1 (mm)332

Load ratings & speeds

Basic dynamic load rating Cr (lbs)418145
Basic static load rating Cor (lbs)708148
Basic dynamic load rating Cr (N)1.86e+06
Basic static load rating C0r (N)3.15e+06
Basic dynamic axial rating Ca (N)14
Fatigue limit load Cur (N)320000
Factor e0.44
Factor Y1.38
Factor Y00.76
Limiting speed nG (rpm)1,400
Reference speed nB (rpm)800
Effective load centre a (mm)105

Weight

Weight (kg)80.5

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)5
Shaft shoulder da (mm)286
Shaft shoulder db (mm)257
Housing shoulder Da (mm)422
Housing shoulder Db (mm)415
Housing fillet ra max (mm)5
Fillet rb max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 400 rpm
4465,0001024,233
6310,00039216,354
8232,5001,02442,667
10186,0002,15489,768
15124,0008,323346,811

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,860,000 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.490 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
2248NSKCylindrical Roller240440120321,000 lbs84.368
NU2248NSKCylindrical Roller2404401201770 kN84.9
22248CAME4NSKSpherical Roller240440120420,000 lbs79.524
32248NSKTapered Roller240440120366,000 lbs78.05
32248TimkenTapered Roller2404401202230 kN81.12

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NU2248-EX-M1FAGCylindrical Roller2404401201830 kN82.8
NU2248-EX-TB-M1FAGCylindrical Roller2404401201850 kN82.8
22248-BE-XLFAGSpherical Roller2404401202230 kN83.6
22248-BE-XL-KFAGSpherical Roller2404401202230 kN81.8
32248-XLFAGTapered Roller2404401202190 kN80.5

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
32248-XLFAGTapered Roller2404401202190 kN80.5
32248-XL-DF-A350-400FAGTapered Roller240440None3750 kN166
32248-XL-DF-A450-500FAGTapered Roller240440None3750 kN166

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30248-XLFAGTapered Roller240440721030 kN47.5
30348FAGTapered Roller240500951780 kN88.6
32048-XFAGTapered Roller24036076900 kN28.2
32048-X-XLFAGTapered Roller240360761060 kN25.8
32048-X-XL-DF-A300-350FAGTapered Roller240360None1820 kN53.5
32048-X-XL-DF-A400-450FAGTapered Roller240360None1820 kN53.5
32048-X-XL-DF-A450-500FAGTapered Roller240360None1820 kN53.5
32048-X-XL-DF-A700-750FAGTapered Roller240360None1820 kN53.5

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