SIFT BEARING STORE CATALOG

NU344-E-M1FAGCylindrical Roller

NU344-E-M1 is a FAG cylindrical roller bearing, bore 220 mm, O.D. 460 mm, width 88 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d220mm
Outside dia. D460mm
Width B88mm
Dynamic Cr1430kN
Static C0r1900kN
Limiting speed2,400rpm
Weight75.5kg
Cr / C0r0.75
Mean dia. dm340mm

Original catalogue drawing - FAG Schaeffler HR 1, page 376

NU344-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. D460 mmBore d220 mmWidth B88 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 diameter2208.6614
DOutside diameter46018.1102
BInner-ring / bearing width883.4646
rChamfer (min)50.1969
ERoller-set outside dia.40615.9843
FRoller-set bore dia.28211.1024

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)220
Outside dia. D (mm)460
Width B (mm)88
Inner-ring shoulder dia. D1 (mm)386
Dimension E (mm)406
Dimension F (mm)282

Load ratings & speeds

Basic dynamic load rating Cr (lbs)321477
Basic static load rating Cor (lbs)427137
Basic dynamic load rating Cr (N)1.43e+06
Basic static load rating C0r (N)1.9e+06
Fatigue limit load Cur (N)152000
Limiting speed nG (rpm)2,400
Reference speed nB (rpm)1,160

Weight

Weight (kg)75.5

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Chamfer r1 min (mm)5
Shaft shoulder da (mm)240
Shaft shoulder db (mm)285
Housing shoulder Da (mm)440
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 800 rpm
4357,5001022,117
6238,3333928,177
8178,7501,02421,333
10143,0002,15444,884
1595,3338,323173,406

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,430,000 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.376 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
344NSKCylindrical Roller22046088268,000 lbs74.843
NU344NSKCylindrical Roller220460881470 kN74.6
30344NSKTapered Roller22046088321,000 lbs72.411

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6344-MFAGBall22046088440 kN73.7
QJ344-N2-MPAFAGBall22046088900 kN77.1
NU344-E-TB-M1FAGCylindrical Roller220460881440 kN75.5
30344FAGTapered Roller220460881440 kN68

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
NU344-E-TB-M1FAGCylindrical Roller220460881440 kN75.5

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
LSL192344FAGCylindrical Roller2204601452500 kN108
LSL192344-TBFAGCylindrical Roller2204601452500 kN108
NJ244-E-M1FAGCylindrical Roller22040065950 kN38.7
NN3044-AS-K-M-SPFAGCylindrical Roller22034090800 kN29.1
NU1044-M1FAGCylindrical Roller22034056510 kN20.5
NU2244-EX-M1FAGCylindrical Roller2204001081630 kN61.6
NU2244-EX-TB-M1FAGCylindrical Roller2204001081630 kN61.6
NU2344-EX-M1FAGCylindrical Roller2204601452360 kN121

Request a quotation for NU344-E-M1

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