SIFT BEARING STORE CATALOG

NN3008-AS-K-M-SPFAGCylindrical Roller

NN3008-AS-K-M-SP is a FAG cylindrical roller bearing, bore 40 mm, O.D. 68 mm, width 21 mm. Dimensions, drawing, interchanges and price.

Tapered bore
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Bore d40mm
Outside dia. D68mm
Width B21mm
Dynamic Cr45kN
Static C0r58.5kN
Limiting speed12,000rpm
Weight0.303kg
Cr / C0r0.77
Mean dia. dm54mm

Original catalogue drawing - FAG Schaeffler HR 1, page 424

NN3008-AS-K-M-SP FAG Cylindrical 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. D68 mmBore d40 mmWidth B21 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 diameter401.5748
DOutside diameter682.6772
BInner-ring / bearing width210.8268
rChamfer (min)10.0394
ERoller-set outside dia.612.4016

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)40
Outside dia. D (mm)68
Width B (mm)21
Inner-ring OD d1 (mm)50.6
Dimension E (mm)61

Load ratings & speeds

Basic dynamic load rating Cr (lbs)10116
Basic static load rating Cor (lbs)13151
Basic dynamic load rating Cr (N)45000
Basic static load rating C0r (N)58500
Fatigue limit load Cur (N)8400
Limiting speed nG (rpm)12,000

Weight

Weight (kg)0.303

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)1
Shaft shoulder da (mm)45
Housing shoulder Da (mm)63
Housing shoulder Db (mm)62
Housing fillet ra max (mm)1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
411,250102564
67,5003922,181
85,6251,0245,689
104,5002,15411,969
153,0008,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 45,000 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.424 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
NN3008NSKPrecision / Angular Contact4068219,700 lbs0.304

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
SL183008FAGCylindrical Roller40682166 kN0.31
SL183008-XLFAGCylindrical Roller40682166 kN0.31
BR68FAGTapered Roller40682153 kN0.3
3008-B-2RS-TVHFAGPrecision / Angular Contact40682125 kN0.25
3008-B-2RSR-TVHFAGPrecision / Angular Contact40682125.5 kN0.25
3008-B-2RZ-TVHFAGPrecision / Angular Contact40682125 kN0.25
3008-B-2Z-TVHFAGPrecision / Angular Contact40682125.5 kN0.25
3008-B-TVHFAGPrecision / Angular Contact40682125 kN0.25

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
N208-E-TVP2FAGCylindrical Roller40801863 kN0.358
N208-E-XL-TVP2FAGCylindrical Roller40801863 kN0.358
N308-E-TVP2FAGCylindrical Roller40902395 kN0.656
N308-E-XL-TVP2FAGCylindrical Roller40902396 kN0.656
NJ208-E-TVP2FAGCylindrical Roller40801863 kN0.389
NJ208-E-XL-TVP2FAGCylindrical Roller40801863 kN0.389
NJ2208-E-TVP2FAGCylindrical Roller40802383 kN0.504
NJ2208-E-XL-TVP2FAGCylindrical Roller40802383 kN0.504

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