SIFT BEARING STORE CATALOG

NU256-E-M1FAGCylindrical Roller

NU256-E-M1 is a FAG cylindrical roller bearing, bore 280 mm, O.D. 500 mm, width 80 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d280mm
Outside dia. D500mm
Width B80mm
Dynamic Cr1400kN
Static C0r2000kN
Limiting speed2,200rpm
Weight72.1kg
Cr / C0r0.7
Mean dia. dm390mm

Original catalogue drawing - FAG Schaeffler HR 1, page 378

NU256-E-M1 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. D500 mmBore d280 mmWidth B80 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 diameter50019.685
BInner-ring / bearing width803.1496
rChamfer (min)50.1969
ERoller-set outside dia.44917.6772
FRoller-set bore dia.33713.2677

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)500
Width B (mm)80
Inner-ring shoulder dia. D1 (mm)430.8
Dimension E (mm)449
Dimension F (mm)337

Load ratings & speeds

Basic dynamic load rating Cr (lbs)314733
Basic static load rating Cor (lbs)449618
Basic dynamic load rating Cr (N)1.4e+06
Basic static load rating C0r (N)2e+06
Fatigue limit load Cur (N)163000
Limiting speed nG (rpm)2,200
Reference speed nB (rpm)1,040

Weight

Weight (kg)72.1

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Chamfer r1 min (mm)5
Shaft shoulder da (mm)300
Shaft shoulder db (mm)340
Housing shoulder Da (mm)480
Housing fillet ra max (mm)4
Housing fillet ra1 max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 700 rpm
4350,0001022,419
6233,3333929,345
8175,0001,02424,381
10140,0002,15451,296
1593,3338,323198,178

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,400,000 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.378 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
256NSKCylindrical Roller28050080257,000 lbs70.307
NU256NSKCylindrical Roller280500801410 kN70.7
30256NSKTapered Roller28050080279,000 lbs66.311

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6256-MFAGBall28050080425 kN72.9
NU256-E-TB-M1FAGCylindrical Roller280500801400 kN72.1
30256-XLFAGTapered Roller280500801740 kN66.5

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
NU256-E-TB-M1FAGCylindrical Roller280500801400 kN72.1

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
NN3056-AS-K-M-SPFAGCylindrical Roller2804201061080 kN49.7
NU1056-M1FAGCylindrical Roller28042065680 kN31.4
NU2256-E-M1FAGCylindrical Roller2805001302280 kN114
NU2256-E-TB-M1FAGCylindrical Roller2805001302270 kN114

Request a quotation for NU256-E-M1

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry formrichard@bearingsfit.com