SIFT BEARING STORE CATALOG

30307-AFAGTapered Roller

30307-A is a FAG tapered roller bearing, bore 35 mm, O.D. 80 mm, width 21 mm, dynamic rating 75 kN. Dimensions, drawing, interchanges and price.

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Bore d35mm
Outside dia. D80mm
Width B21mm
Dynamic Cr75kN
Static C0r78kN
Limiting speed9,500rpm
Weight0.573kg
Cr / C0r0.96
Mean dia. dm57.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 476

30307-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. D80 mmBore d35 mmWidth B21 mmCup width C18 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 diameter351.378
DOutside diameter803.1496
BInner-ring / bearing width210.8268
TOverall assembly width22.750.8957
CCup / outer-ring width180.7087

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)35
Outside dia. D (mm)80
Width B (mm)21
Overall width T (mm)22.75
Cup width C (mm)18
Inner-ring OD d1 (mm)55.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)16861
Basic static load rating Cor (lbs)17535
Basic dynamic load rating Cr (N)75000
Basic static load rating C0r (N)78000
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)8600
Factor e0.31
Factor Y1.9
Factor Y01.05
Limiting speed nG (rpm)9,500
Reference speed nB (rpm)6,600
Effective load centre a (mm)16

Weight

Weight (kg)0.573

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2
Shaft shoulder da (mm)45
Shaft shoulder db (mm)44
Housing shoulder Da (mm)71
Housing shoulder Db (mm)74
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
418,750102564
612,5003922,181
89,3751,0245,689
107,5002,15411,969
155,0008,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 75,000 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.476 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1307NSKBall3580215,620 lbs0.535
6307NSKBall3580217,490 lbs0.458
7307BNSKBall3580217,830 lbs0.476
BL307NSKBall3580219,850 lbs0.485
307NSKCylindrical Roller35802111,100 lbs0.449
NU307ENSKCylindrical Roller35802182 kN0.545
HR30307NSKTapered Roller35802193.5 kN0.538
HR30307CNSKTapered Roller35802115,300 lbs0.508
HR30307JNSKTapered Roller35802117,100 lbs0.54
HR31307NSKTapered Roller35802176.5 kN0.52

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1307-K-TVH-C3FAGBall35802125.5 kN0.5
1307-TVHFAGBall35802125.5 kN0.507
6307FAGBall35802133.5 kN0.471
6307-2RSRFAGBall35802133.5 kN0.483
6307-2ZFAGBall35802133.5 kN0.481
6307-CFAGBall35802137 kN0.434
6307-C-2BRSFAGBall35802137 kN0.447
6307-C-2HRSFAGBall35802137 kN0.449

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30207-AFAGTapered Roller35721753 kN0.334
30207-XLFAGTapered Roller35721764 kN0.336
31307-AFAGTapered Roller35802160 kN0.582
31307-A-N11CA-A40-70FAGTapered Roller3580None102 kN1.13
32007-XFAGTapered Roller35621845.5 kN0.257
32007-X-XLFAGTapered Roller35621854 kN0.225
32207-AFAGTapered Roller35722370 kN0.482
32207-B-XLFAGTapered Roller35722375 kN0.464

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