SIFT BEARING STORE CATALOG

NU312NSKCylindrical Roller

NU312 is a NSK cylindrical roller bearing, bore 60 mm, O.D. 130 mm, width 31 mm, dynamic rating 152 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D130mm
Width B31mm
Dynamic Cr152kN
Static C0r126kN
Weight1.82kg
Cr / C0r1.21
Mean dia. dm95mm

Original catalogue drawing - NSK E1103, page 235

NU312 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. D130 mmBore d60 mmWidth B31 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 diameter602.3622
DOutside diameter1305.1181
BInner-ring / bearing width311.2205
rChamfer (min)2.10.0827

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)60
Outside dia. D (mm)130
Width B (mm)31

Load ratings & speeds

Basic dynamic load rating Cr (lbs)34171
Basic static load rating Cor (lbs)28326
Basic dynamic load rating Cr (N)152000
Basic static load rating C0r (N)126000

Weight

Weight (kg)1.82

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2.1
Chamfer r1 min (mm)2.1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
438,0001023,386
625,33339213,083
819,0001,02434,133
1015,2002,15471,814
1510,1338,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 152,000 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.235 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1312-K-TVH-C3FAGBall601303158 kN1.94
1312-TVHFAGBall601303158 kN1.97
6312FAGBall601303181.5 kN1.75
6312-2RSRFAGBall601303181.5 kN1.79
6312-2ZFAGBall601303181.5 kN1.79
6312-CFAGBall601303189 kN1.71
6312-C-2BRSFAGBall601303189 kN1.75
6312-C-2HRSFAGBall601303189 kN1.75
6312-C-2ZFAGBall601303189 kN1.74
QJ312-MPAFAGBall6013031146 kN2.2

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1312NSKBall601303112,800 lbs2.032
6312NSKBall601303118,400 lbs1.701
7312BNSKBall601303119,100 lbs2
BL312NSKBall601303122,700 lbs1.846
312NSKCylindrical Roller601303127,700 lbs2.041
NU312ENSKCylindrical Roller6013031184 kN2.06
21312EAE4NSKSpherical Roller6013031238 kN1.98
HR30312NSKTapered Roller6013031214 kN2.03

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1012NSKCylindrical Roller6095189,020 lbs0.467
212NSKCylindrical Roller601102215,400 lbs0.839
2212NSKCylindrical Roller601102821,600 lbs1.066
2312NSKCylindrical Roller601304637,800 lbs2.644
312NSKCylindrical Roller601303127,700 lbs2.041
412NSKCylindrical Roller601503537,600 lbs2.994
NU1012NSKCylindrical Roller60951849.5 kN0.474
NU212ENSKCylindrical Roller6011022120 kN0.824

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