SIFT BEARING STORE CATALOG

NU2256-E-TB-M1FAGCylindrical Roller

NU2256-E-TB-M1 is a FAG cylindrical roller bearing, bore 280 mm, O.D. 500 mm, width 130 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d280mm
Outside dia. D500mm
Width B130mm
Dynamic Cr2270kN
Static C0r3600kN
Limiting speed1,980rpm
Weight114kg
Cr / C0r0.63
Mean dia. dm390mm

Original catalogue drawing - FAG Schaeffler HR 1, page 446

NU2256-E-TB-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 B130 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 width1305.1181
rChamfer (min)50.1969
ERoller-set outside dia.45317.8346
FRoller-set bore dia.33313.1102

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)130
Inner-ring shoulder dia. D1 (mm)429
Dimension E (mm)453
Dimension F (mm)333
Dimension s (mm)10.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)510316
Basic static load rating Cor (lbs)809312
Basic dynamic load rating Cr (N)2.27e+06
Basic static load rating C0r (N)3.6e+06
Fatigue limit load Cur (N)365000
Limiting speed nG (rpm)1,980

Weight

Weight (kg)114.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Chamfer r1 min (mm)5
Shaft shoulder da (mm)300
Shaft shoulder db (mm)336
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 600 rpm
4567,5001022,822
6378,33339210,903
8283,7501,02428,444
10227,0002,15459,845
15151,3338,323231,207

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,270,000 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.446 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
22256CAME4NSKSpherical Roller280500130515,000 lbs108.313
32256NSKTapered Roller280500130438,000 lbs109.234

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NU2256-E-M1FAGCylindrical Roller2805001302280 kN114
22256-BEA-XL-K-MB1FAGSpherical Roller2805001302750 kN109
22256-BEA-XL-MB1FAGSpherical Roller2805001302750 kN112
32256-XLFAGTapered Roller2805001302700 kN112

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
NU2256-E-M1FAGCylindrical Roller2805001302280 kN114

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
NU2356-EX-M1FAGCylindrical Roller2805801753550 kN234
NU2356-EX-TB-M1FAGCylindrical Roller2805801753500 kN234

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