SIFT BEARING STORE CATALOG

32940-AFAGTapered Roller

32940-A is a FAG tapered roller bearing, bore 200 mm, O.D. 280 mm, width 51 mm, dynamic rating 495 kN. Dimensions, drawing, interchanges and price.

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Bore d200mm
Outside dia. D280mm
Width B51mm
Dynamic Cr495kN
Static C0r930kN
Limiting speed2,200rpm
Weight8.97kg
Cr / C0r0.53
Mean dia. dm240mm

Original catalogue drawing - FAG Schaeffler HR 1, page 490

32940-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. D280 mmBore d200 mmWidth B51 mmCup width C39 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 diameter28011.0236
BInner-ring / bearing width512.0079
TOverall assembly width512.0079
CCup / outer-ring width391.5354

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
Outside dia. D (mm)280
Width B (mm)51
Overall width T (mm)51
Cup width C (mm)39
Inner-ring OD d1 (mm)239

Load ratings & speeds

Basic dynamic load rating Cr (lbs)111280
Basic static load rating Cor (lbs)209072
Basic dynamic load rating Cr (N)495000
Basic static load rating C0r (N)930000
Basic dynamic axial rating Ca (N)9
Fatigue limit load Cur (N)107000
Factor e0.39
Factor Y1.52
Factor Y00.84
Limiting speed nG (rpm)2,200
Reference speed nB (rpm)1,240
Effective load centre a (mm)54

Weight

Weight (kg)8.97

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3
Shaft shoulder da (mm)216
Shaft shoulder db (mm)212
Housing shoulder Da (mm)268
Housing shoulder Db (mm)271
Housing fillet ra max (mm)3
Fillet rb max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 700 rpm
4123,7501022,419
682,5003929,345
861,8751,02424,381
1049,5002,15451,296
1533,0008,323198,178

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 495,000 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
HR32940NSKTapered Roller20028051590 kN9.65
HR32940JNSKTapered Roller20028051108,000 lbs9.652
32940TimkenTapered Roller20028051530 kN9.45
X32940M/Y32940MTimkenTapered Roller20028051--

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30240-AFAGTapered Roller20036058770 kN25.5
30240-XLFAGTapered Roller20036058900 kN25.3
30340FAGTapered Roller200420801300 kN52.7
32040-XFAGTapered Roller20031070760 kN19
32040-X-XLFAGTapered Roller20031070900 kN18.7
32240-AFAGTapered Roller200360981320 kN43
32240-XLFAGTapered Roller200360981570 kN42.8
32240-XL-DF-A350-400FAGTapered Roller200360None2700 kN88.2

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