SIFT BEARING STORE CATALOG

HR32912NSKTapered Roller

HR32912 is a NSK tapered roller bearing, bore 60 mm, O.D. 85 mm, width 17 mm, dynamic rating 60 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D85mm
Width B17mm
Dynamic Cr60kN
Static C0r84.5kN
Limiting speed3,800rpm
Weight0.306kg
Cr / C0r0.71
Mean dia. dm72.5mm

Original catalogue drawing - NSK E1103, page 264

HR32912 NSK Tapered 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. D85 mmBore d60 mmWidth B17 mmCup width C14 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 diameter853.3465
BInner-ring / bearing width170.6693
TOverall assembly width170.6693
CCup / outer-ring width140.5512
rChamfer (min)10.0394

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)85
Width B (mm)17
Overall width T (mm)17
Cup width C (mm)14

Load ratings & speeds

Basic dynamic load rating Cr (lbs)13489
Basic static load rating Cor (lbs)18996
Basic dynamic load rating Cr (N)60000
Basic static load rating C0r (N)84500
Limiting speed - grease (rpm)3,800
Effective load centre a (mm)1

Weight

Weight (kg)0.306

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)1

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,200 rpm
415,0001021,411
610,0003925,451
87,5001,02414,222
106,0002,15429,923
154,0008,323115,604

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 60,000 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.264 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
32912FAGTapered Roller60851749 kN0.315

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
HR32912JNSKTapered Roller60851711,000 lbs0.304
51112NSKThrust6085179,370 lbs0.281

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
32212CNSKTapered Roller601102823,600 lbs1.111
32312CNSKTapered Roller601304644,100 lbs2.79
3800NSKTapered Roller6012533.5186 kN2.03
HR30212NSKTapered Roller6011022127 kN0.93
HR30212JNSKTapered Roller601102223,400 lbs0.93
HR30312NSKTapered Roller6013031214 kN2.03
HR30312JNSKTapered Roller601303139,100 lbs2.032
HR31312JNSKTapered Roller601303133,900 lbs1.982

Request a quotation for HR32912

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