SIFT BEARING STORE CATALOG

1318NSKBall

1318 is a NSK ball bearing, bore 90 mm, O.D. 190 mm, width 43 mm, dynamic rating 129 kN. Dimensions, drawing, interchanges and price.

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Bore d90mm
Outside dia. D190mm
Width B43mm
Dynamic Cr129kN
Static C0r44.5kN
Limiting speed3,200rpm
Weight5.83kg
Cr / C0r2.9
Mean dia. dm140mm

Original catalogue drawing - NSK E1103, page 227

1318 NSK Ball 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)29000
Basic static load rating Cor (lbs)10004
Basic dynamic load rating Cr (N)129000
Basic static load rating C0r (N)44500
Limiting speed - grease (rpm)3,200
Limiting speed - oil (rpm)3,800

Weight

Weight (kg)5.83

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 1,000 rpm
432,250641,067
621,5002163,600
816,1255128,533
1012,9001,00016,667
158,6003,37556,250

Basic rating life per ISO 281: L10 = (C/P)3 with C = 129,000 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.227 (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
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
21318EAE4NSKSpherical Roller9019043415 kN6.1
HR30318NSKTapered Roller9019043325 kN5.52

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1218NSKBall901603063 kN2.56
16018NSKBall901401645.5 kN0.873
6018NSKBall901402413,100 lbs1.161
6218NSKBall901603021,600 lbs2.15
6318NSKBall901904332,100 lbs4.899
6818NSKBall90115134,270 lbs0.268
6918NSKBall90125187,370 lbs0.567
7218BNSKBall901603022,900 lbs2.549

Request a quotation for 1318

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.