SIFT BEARING STORE CATALOG

303/32FAGTapered Roller

303/32 is a FAG tapered roller bearing, bore 32 mm, O.D. 75 mm, width 20 mm, dynamic rating 67 kN. Dimensions, drawing, interchanges and price.

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Bore d32mm
Outside dia. D75mm
Width B20mm
Dynamic Cr67kN
Static C0r68kN
Limiting speed10,400rpm
Weight0.464kg
Cr / C0r0.99
Mean dia. dm53.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 588

303/32 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. D75 mmBore d32 mmWidth B20 mmCup width C17.5 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 diameter321.2598
DOutside diameter752.9528
BInner-ring / bearing width200.7874
TOverall assembly width21.750.8563
CCup / outer-ring width17.50.689

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)32
Outside dia. D (mm)75
Width B (mm)20
Overall width T (mm)21.75
Cup width C (mm)17.5
Inner-ring OD d1 (mm)51.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)15062
Basic static load rating Cor (lbs)15287
Basic dynamic load rating Cr (N)67000
Basic static load rating C0r (N)68000
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)7900
Factor e0.32
Factor Y1.9
Factor Y01.05
Limiting speed nG (rpm)10,400
Reference speed nB (rpm)6,800
Effective load centre a (mm)16

Weight

Weight (kg)0.464

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2
Shaft shoulder da (mm)42
Shaft shoulder db (mm)39
Housing shoulder Da (mm)65
Housing shoulder Db (mm)69
Housing fillet ra max (mm)2
Fillet rb max (mm)1.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
416,750102564
611,1673922,181
88,3751,0245,689
106,7002,15411,969
154,4678,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 67,000 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.588 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
63/32NSKBall32752033 kN0.389
HR303/32NSKTapered Roller32752014,600 lbs0.445
HR303/32CNSKTapered Roller32752013,400 lbs0.445
HR322/32NSKTapered Roller32752012,600 lbs0.336

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
303/22FAGTapered Roller22561638 kN0.21
303/28FAGTapered Roller28681853 kN0.342

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
302/32FAGTapered Roller32651747.5 kN0.279
320/32-XFAGTapered Roller32581738.5 kN0.188
329/32FAGTapered Roller32521524.2 kN0.114
332/32FAGTapered Roller32652671 kN0.41
T2ED032FAGTapered Roller32722987 kN0.594
T4DB032FAGTapered Roller326517.543.5 kN0.262
KHM88542-HM88510FAGTapered Roller31.7573.0327.7872 kN0.641
KHM89440-HM89411FAGTapered Roller31.7576.228.5779 kN0.705

Request a quotation for 303/32

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