SIFT BEARING STORE CATALOG

32303NSKTapered Roller

32303 is a NSK tapered roller bearing, bore 17 mm, O.D. 47 mm, width 19 mm, dynamic rating 7,530 lbs. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d17mm
Outside dia. D47mm
Width B19mm
Dynamic Cr7,530lbs
Static C0r7,190lbs
Limiting speed8,740rpm
Weight0.177kg
Cr / C0r1.05
Mean dia. dm32mm

Original catalogue drawing - NSK catalogue, page 115

32303 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. D47 mmBore d17 mmWidth B19 mmCup width C16 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 diameter170.6693
DOutside diameter471.8504
BInner-ring / bearing width190.748
TOverall assembly width20.250.7972
CCup / outer-ring width160.6299

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)17
Bore d (in)0.6693
Outside dia. D (mm)47
Outside dia. D (in)1.8504
Width B (mm)19
Width B (in)0.7480
Overall width T (mm)20.25
Overall width T (in)0.7972
Cup width C (mm)16
Cup width C (in)0.6299

Load ratings & speeds

Basic dynamic load rating Cr (lbs)7530
Basic static load rating Cor (lbs)7190
Limiting speed - grease (rpm)8,740
Limiting speed - oil (rpm)11,860

Weight

Weight (kg)0.177

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.04
Shaft shoulder da min (in)1.024
Housing shoulder Da max (in)1.614
Shaft shoulder db max (in)0.941

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,900 rpm
48,374102584
65,5833922,256
84,1871,0245,885
103,3502,15412,382
152,2338,32347,836

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 33,495 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.117 (dimensions) / p.118 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
2303-2RS-TVHFAGBall17471912.9 kN0.175
2303-TVHFAGBall17471913.9 kN0.155
4303-B-TVHFAGBall17471920.9 kN0.178
62303-2RSRFAGBall17471914.3 kN0.152
32303-AFAGTapered Roller17471936 kN0.18

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
2303NSKBall1747193,210 lbs0.177
HR32303NSKTapered Roller17471946 kN0.178

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30303NSKTapered Roller17471427 kN0.129
HR30203NSKTapered Roller17401224.8 kN0.079
HR30203JNSKTapered Roller1740124,520 lbs0.077
HR30303NSKTapered Roller17471436 kN0.134
HR30303JNSKTapered Roller1747146,560 lbs0.136
HR32203JNSKTapered Roller1740166,090 lbs0.104
HR32303NSKTapered Roller17471946 kN0.178
A6067/A6157NSKTapered Roller16.9939.9911.153,360 lbs0.073

Request a quotation for 32303

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.