SIFT BEARING STORE CATALOG

HR32021NSKTapered Roller

HR32021 is a NSK tapered roller bearing, bore 105 mm, O.D. 160 mm, width 35 mm, dynamic rating 250 kN. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d105mm
Outside dia. D160mm
Width B35mm
Dynamic Cr250kN
Static C0r340kN
Limiting speed2,000rpm
Weight2.48kg
Cr / C0r0.74
Mean dia. dm132.5mm

Original catalogue drawing - NSK E1103, page 267

HR32021 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. D160 mmBore d105 mmWidth B35 mmCup width C26 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 diameter1054.1339
DOutside diameter1606.2992
BInner-ring / bearing width351.378
TOverall assembly width351.378
CCup / outer-ring width261.0236
rChamfer (min)20.0787

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)105
Outside dia. D (mm)160
Width B (mm)35
Overall width T (mm)35
Cup width C (mm)26

Load ratings & speeds

Basic dynamic load rating Cr (lbs)56202
Basic static load rating Cor (lbs)76435
Basic dynamic load rating Cr (N)250000
Basic static load rating C0r (N)340000
Limiting speed - grease (rpm)2,000
Effective load centre a (mm)2.5

Weight

Weight (kg)2.48

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)2

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 600 rpm
462,5001022,822
641,66739210,903
831,2501,02428,444
1025,0002,15459,845
1516,6678,323231,207

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 250,000 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.267 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
32021-XFAGTapered Roller10516035202 kN2.33
32021-X-XLFAGTapered Roller10516035238 kN2.45
32021XTimkenTapered Roller10516035227 kN2.4
X32021X/Y32021XTimkenTapered Roller10516035--

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
HR32021XJNSKTapered Roller10516035204,000 lbs2.481

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
HR30221NSKTapered Roller10519036345 kN4.51
HR30221JNSKTapered Roller1051903662,900 lbs4.509
HR30321NSKTapered Roller10522549560 kN9.52
HR30321JNSKTapered Roller10522549102,000 lbs9.525
HR31321NSKTapered Roller10522553510 kN10
HR31321JNSKTapered Roller1052254976,400 lbs10.043
HR32021XJNSKTapered Roller10516035204,000 lbs2.481
HR32221NSKTapered Roller10519050445 kN6.25

Request a quotation for HR32021

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.