SIFT BEARING STORE CATALOG

30309-AFAGTapered Roller

30309-A is a FAG tapered roller bearing, bore 45 mm, O.D. 100 mm, width 25 mm, dynamic rating 112 kN. Dimensions, drawing, interchanges and price.

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Bore d45mm
Outside dia. D100mm
Width B25mm
Dynamic Cr112kN
Static C0r127kN
Limiting speed7,000rpm
Weight1kg
Cr / C0r0.88
Mean dia. dm72.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 478

30309-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. D100 mmBore d45 mmWidth B25 mmCup width C22 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 diameter451.7717
DOutside diameter1003.937
BInner-ring / bearing width250.9843
TOverall assembly width27.251.0728
CCup / outer-ring width220.8661

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)45
Outside dia. D (mm)100
Width B (mm)25
Overall width T (mm)27.25
Cup width C (mm)22
Inner-ring OD d1 (mm)70.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)25179
Basic static load rating Cor (lbs)28551
Basic dynamic load rating Cr (N)112000
Basic static load rating C0r (N)127000
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)14800
Factor e0.35
Factor Y1.74
Factor Y00.96
Limiting speed nG (rpm)7,000
Reference speed nB (rpm)5,200
Effective load centre a (mm)21

Weight

Weight (kg)1.0

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2
Shaft shoulder da (mm)59
Shaft shoulder db (mm)54
Housing shoulder Da (mm)91
Housing shoulder Db (mm)92
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 2,300 rpm
428,000102736
618,6673922,844
814,0001,0247,420
1011,2002,15415,612
157,4678,32360,315

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 112,000 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.478 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1309NSKBall45100258,540 lbs0.993
6309NSKBall451002511,900 lbs0.835
7309BNSKBall451002512,300 lbs0.875
BL309NSKBall451002514,700 lbs0.88
309NSKCylindrical Roller451002516,600 lbs0.88
NU309ENSKCylindrical Roller4510025120 kN1.01
21309EAE4NSKSpherical Roller4510025149 kN0.96
HR30309NSKTapered Roller4510025138 kN1.01
HR30309CNSKTapered Roller451002523,200 lbs0.984
HR30309JNSKTapered Roller451002525,200 lbs1.012

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1309-K-TVH-C3FAGBall451002538.5 kN0.939
1309-TVHFAGBall451002538.5 kN0.953
6309FAGBall451002553 kN0.849
6309-2RSRFAGBall451002553 kN0.867
6309-2ZFAGBall451002553 kN0.869
6309-CFAGBall451002558 kN0.83
6309-C-2BRSFAGBall451002558 kN0.85
6309-C-2HRSFAGBall451002558 kN0.85

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30209-AFAGTapered Roller45851970 kN0.47
30209-XLFAGTapered Roller45851984 kN0.488
31309-AFAGTapered Roller451002595 kN0.998
31309-A-N11CA-A60-100FAGTapered Roller45100None163 kN2.1
31309-XLFAGTapered Roller4510025114 kN0.97
32009-X-XLFAGTapered Roller45752072 kN0.355
32009-XAFAGTapered Roller45752060 kN0.329
32209-AFAGTapered Roller45852382 kN0.57

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