SIFT BEARING STORE CATALOG

NJ2238-E-M1FAGCylindrical Roller

NJ2238-E-M1 is a FAG cylindrical roller bearing, bore 190 mm, O.D. 340 mm, width 92 mm. Dimensions, drawing, interchanges and price.

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Bore d190mm
Outside dia. D340mm
Width B92mm
Dynamic Cr1090kN
Static C0r1650kN
Limiting speed3,000rpm
Weight37.7kg
Cr / C0r0.66
Mean dia. dm265mm

Original catalogue drawing - FAG Schaeffler HR 1, page 474

NJ2238-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. D340 mmBore d190 mmWidth B92 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 diameter1907.4803
DOutside diameter34013.3858
BInner-ring / bearing width923.622
rChamfer (min)40.1575
ERoller-set outside dia.30812.126
FRoller-set bore dia.2288.9764

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)190
Outside dia. D (mm)340
Width B (mm)92
Inner-ring OD d1 (mm)242.7
Inner-ring shoulder dia. D1 (mm)296.4
Dimension E (mm)308
Dimension F (mm)228
Dimension s (mm)8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)245042
Basic static load rating Cor (lbs)370935
Basic dynamic load rating Cr (N)1.09e+06
Basic static load rating C0r (N)1.65e+06
Fatigue limit load Cur (N)201000
Limiting speed nG (rpm)3,000
Reference speed nB (rpm)1,290

Weight

Weight (kg)37.7

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)4
Chamfer r1 min (mm)4
Shaft shoulder da (mm)207
Shaft shoulder dc (mm)247
Housing shoulder Da (mm)323
Housing fillet ra max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,000 rpm
4272,5001021,693
6181,6673926,542
8136,2501,02417,067
10109,0002,15435,907
1572,6678,323138,724

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 1,090,000 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.474 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
2238NSKCylindrical Roller19034092186,000 lbs36.741
NU2238ENSKCylindrical Roller190340921360 kN38.3
22238CAME4NSKSpherical Roller19034092255,000 lbs35.149
HR32238NSKTapered Roller190340921370 kN35.2
HR32238JNSKTapered Roller19034092250,000 lbs35.181
32238TimkenTapered Roller190340921360 kN36.36

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NU2238-E-M1FAGCylindrical Roller190340921090 kN37.1
SL182238FAGCylindrical Roller190340921300 kN35.65
22238-BE-XLFAGSpherical Roller190340921360 kN36.8
22238-BE-XL-KFAGSpherical Roller190340921360 kN36
32238-AFAGTapered Roller190340921150 kN39.1
32238-XLFAGTapered Roller190340921340 kN35.9

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
LSL192338FAGCylindrical Roller1904001322110 kN78.1
LSL192338-TBFAGCylindrical Roller1904001322100 kN78.1
N238-E-M1FAGCylindrical Roller19034055680 kN22.8
NJ2338-EX-M1FAGCylindrical Roller1904001321900 kN84.4
NJ2338-EX-TB-M1FAGCylindrical Roller1904001321890 kN84.4
NJ238-E-M1FAGCylindrical Roller19034055680 kN23.2
NN3038-AS-K-M-SPFAGCylindrical Roller19029075585 kN17.3
NU1038-M1FAGCylindrical Roller19029046435 kN10.9

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