SIFT BEARING STORE CATALOG

NNCF4968VNSKCylindrical Roller

NNCF4968V is a NSK cylindrical roller bearing, bore 340 mm, O.D. 460 mm, width 118 mm. Dimensions, drawing, interchanges and price.

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Bore d340mm
Outside dia. D460mm
Width B118mm
Dynamic Cr2080kN
Static C0r4300kN
Weight58kg
Cr / C0r0.48
Mean dia. dm400mm

Original catalogue drawing - NSK E1103, page 252

NNCF4968V NSK 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 d340 mmWidth B118 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 diameter34013.3858
DOutside diameter46018.1102
BInner-ring / bearing width1184.6457
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)340
Outside dia. D (mm)460
Width B (mm)118

Load ratings & speeds

Basic dynamic load rating Cr (lbs)467603
Basic static load rating Cor (lbs)966678
Basic dynamic load rating Cr (N)2080000
Basic static load rating C0r (N)4300000

Weight

Weight (kg)58.0

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 500 rpm
4520,0001023,386
6346,66739213,083
8260,0001,02434,133
10208,0002,15471,814
15138,6678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,080,000 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.252 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
SL014968FAGCylindrical Roller3404601181750 kN59
SL024968FAGCylindrical Roller3404601181750 kN57.8
JL163142D/JL163115TimkenTapered Roller3404601181280 kN60.72

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
NCF1868VNSKCylindrical Roller34042038585 kN10.7
NCF2968VNSKCylindrical Roller340460721460 kN34.1
NCF2972VNSKCylindrical Roller340480721510 kN36
NCF3068VNSKCylindrical Roller3405201333000 kN97
NCF3072VNSKCylindrical Roller3405401343150 kN102
NNCF4868VNSKCylindrical Roller340420801050 kN25.6
NNCF5068VNSKCylindrical Roller3405202435250 kN177
NU1068NSKCylindrical Roller340520821330 kN61.8

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