SIFT BEARING STORE CATALOG

HR32304CNSKTapered Roller

HR32304C is a NSK tapered roller bearing, bore 20 mm, O.D. 52 mm, width 21 mm, dynamic rating 9,440 lbs. Dimensions, drawing, interchanges and price.

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Bore d20mm
Outside dia. D52mm
Width B21mm
Dynamic Cr9,440lbs
Static C0r10,000lbs
Limiting speed7,500rpm
Weight0.234kg
Cr / C0r0.94
Mean dia. dm36mm

Original catalogue drawing - NSK catalogue, page 131

HR32304C 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. D52 mmBore d20 mmWidth B21 mmCup width C17 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 diameter200.7874
DOutside diameter522.0472
BInner-ring / bearing width210.8268
TOverall assembly width22.250.876
CCup / outer-ring width170.6693

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)20
Bore d (in)0.7874
Outside dia. D (mm)52
Outside dia. D (in)2.0472
Width B (mm)21
Width B (in)0.8268
Overall width T (mm)22.25
Overall width T (in)0.8760
Cup width C (mm)17
Cup width C (in)0.6693

Load ratings & speeds

Basic dynamic load rating Cr (lbs)9440
Basic static load rating Cor (lbs)10000
Limiting speed - grease (rpm)7,500
Limiting speed - oil (rpm)10,000

Weight

Weight (kg)0.234

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.059
Shaft shoulder da min (in)1.300
Housing shoulder Da max (in)1.694
Shaft shoulder db max (in)1.024

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,500 rpm
410,498102677
66,9993922,617
85,2491,0246,827
104,1992,15414,363
152,7998,32355,490

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 41,991 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandNSK
Source catalogueNSK inch product catalogue
Catalogue pagep.133 (dimensions) / p.134 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
2304-2RS-TVHFAGBall20522112.7 kN0.23
2304-TVHFAGBall20522117.6 kN0.206
4304-B-TVHFAGBall20522126 kN0.19
62304-2RSRFAGBall20522116.9 kN0.2
NJ2304-E-TVP2FAGCylindrical Roller20522148.5 kN0.219
NJ2304-E-XL-TVP2FAGCylindrical Roller20522149.5 kN0.219
NU2304-E-TVP2FAGCylindrical Roller20522148.5 kN0.215
NU2304-E-XL-TVP2FAGCylindrical Roller20522149.5 kN0.215
NUP2304-E-TVP2FAGCylindrical Roller20522148.5 kN0.224
NUP2304-E-XL-TVP2FAGCylindrical Roller20522149.5 kN0.224

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
2304NSKBall2052214,050 lbs0.236
HR32304NSKTapered Roller20522156 kN0.241
HR32304JNSKTapered Roller20522110,200 lbs0.24

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
05079/05185NSKTapered Roller204714.385,360 lbs0.113
30304NSKTapered Roller20521531 kN0.168
HR30204NSKTapered Roller20471434.5 kN0.127
HR30204CNSKTapered Roller2047145,370 lbs0.122
HR30204JNSKTapered Roller2047146,270 lbs0.127
HR30304NSKTapered Roller20521543 kN0.172
HR30304CNSKTapered Roller2052166,970 lbs0.168
HR30304JNSKTapered Roller2052157,870 lbs0.172

Request a quotation for HR32304C

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.

Online enquiry formrichard@bearingsfit.com