SIFT BEARING STORE CATALOG

21318EAE4NSKSpherical Roller

21318EAE4 is a NSK spherical roller bearing, bore 90 mm, O.D. 190 mm, width 43 mm, dynamic rating 415 kN. Dimensions, drawing, interchanges and price.

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Bore d90mm
Outside dia. D190mm
Width B43mm
Dynamic Cr415kN
Static C0r450kN
Limiting speed2,800rpm
Weight6.1kg
Cr / C0r0.92
Mean dia. dm140mm

Original catalogue drawing - NSK E1103, page 300

21318EAE4 NSK Spherical 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. D190 mmBore d90 mmWidth B43 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 diameter903.5433
DOutside diameter1907.4803
BInner-ring / bearing width431.6929
rChamfer (min)30.1181

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)90
Outside dia. D (mm)190
Width B (mm)43

Load ratings & speeds

Basic dynamic load rating Cr (lbs)93296
Basic static load rating Cor (lbs)101164
Basic dynamic load rating Cr (N)415000
Basic static load rating C0r (N)450000
Limiting speed - grease (rpm)2,800
Limiting speed - oil (rpm)4,500

Weight

Weight (kg)6.1

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 900 rpm
4103,7501021,881
669,1673927,268
851,8751,02418,963
1041,5002,15439,897
1527,6678,323154,138

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 415,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK CAT. No. E1103 (metric)
Catalogue pagep.300 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1318-K-M-C3FAGBall9019043109 kN6.27
1318-MFAGBall9019043109 kN6.35
6318FAGBall9019043142 kN5.43
6318-2RSRFAGBall9019043142 kN5.396
6318-2ZFAGBall9019043142 kN5.53
QJ318-N2-MPAFAGBall9019043265 kN6.31
N318-E-M1FAGCylindrical Roller9019043370 kN6.19
N318-E-XL-M1FAGCylindrical Roller9019043370 kN6.19
NJ318-E-TVP2FAGCylindrical Roller9019043370 kN5.49
NJ318-E-XL-TVP2FAGCylindrical Roller9019043370 kN5.49

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1318NSKBall9019043129 kN5.83
6318NSKBall901904332,100 lbs4.899
7318BNSKBall901904333,100 lbs5.851
BL318NSKBall901904342,000 lbs5.371
318NSKCylindrical Roller901904353,900 lbs5.443
NU318NSKCylindrical Roller9019043295 kN5.38
NU318ENSKCylindrical Roller9019043390 kN6.1
HR30318NSKTapered Roller9019043325 kN5.52

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
22218CAME4NSKSpherical Roller901604057,500 lbs3.325
22218EAE4NSKSpherical Roller901604065,000 lbs3.293
22218HE4NSKSpherical Roller901604066,000 lbs3.066
22318CAME4NSKSpherical Roller9019064109,000 lbs8.391
22318EAE4NSKSpherical Roller9019064120,000 lbs8.541
22318HE4NSKSpherical Roller9019064119,000 lbs7.97
23218CAME4NSKSpherical Roller9016052.476,500 lbs4.382
23218CE4NSKSpherical Roller9016052.476,500 lbs4.445

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