SIFT BEARING STORE CATALOG

NN3056-AS-K-M-SPFAGCylindrical Roller

NN3056-AS-K-M-SP is a FAG cylindrical roller bearing, bore 280 mm, O.D. 420 mm, width 106 mm. Dimensions, drawing, interchanges and price.

Tapered bore
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Bore d280mm
Outside dia. D420mm
Width B106mm
Dynamic Cr1080kN
Static C0r2080kN
Limiting speed1,800rpm
Weight49.7kg
Cr / C0r0.52
Mean dia. dm350mm

Original catalogue drawing - FAG Schaeffler HR 1, page 424

NN3056-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. D420 mmBore d280 mmWidth B106 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 diameter28011.0236
DOutside diameter42016.5354
BInner-ring / bearing width1064.1732
rChamfer (min)40.1575
ERoller-set outside dia.38415.1181

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)280
Outside dia. D (mm)420
Width B (mm)106
Inner-ring OD d1 (mm)332.8
Dimension E (mm)384

Load ratings & speeds

Basic dynamic load rating Cr (lbs)242794
Basic static load rating Cor (lbs)467603
Basic dynamic load rating Cr (N)1.08e+06
Basic static load rating C0r (N)2.08e+06
Fatigue limit load Cur (N)255000
Limiting speed nG (rpm)1,800

Weight

Weight (kg)49.7

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)4
Shaft shoulder da (mm)295
Housing shoulder Da (mm)405
Housing shoulder Db (mm)388
Housing fillet ra max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 600 rpm
4270,0001022,822
6180,00039210,903
8135,0001,02428,444
10108,0002,15459,845
1572,0008,323231,207

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,080,000 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
23056CAME4NSKSpherical Roller280420106345,000 lbs49.963

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
SL183056FAGCylindrical Roller2804201061670 kN48
SL183056-TBFAGCylindrical Roller2804201061650 kN48
23056-BE-XLFAGSpherical Roller2804201061780 kN50.9
23056-BE-XL-KFAGSpherical Roller2804201061780 kN49.3

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
LSL192356FAGCylindrical Roller2805801753700 kN206.6
LSL192356-TBFAGCylindrical Roller2805801753700 kN206.6
NJ356-E-M1FAGCylindrical Roller2805801082160 kN149
NJ356-E-TB-M1FAGCylindrical Roller2805801082180 kN149
NU1056-M1FAGCylindrical Roller28042065680 kN31.4
NU2256-E-M1FAGCylindrical Roller2805001302280 kN114
NU2256-E-TB-M1FAGCylindrical Roller2805001302270 kN114
NU2356-EX-M1FAGCylindrical Roller2805801753550 kN234

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