SIFT BEARING STORE CATALOG

5203NSKPrecision / Angular Contact

5203 is a NSK precision / angular contact bearing, bore 17 mm, O.D. 40 mm, width 17.5 mm. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d17mm
Outside dia. D40mm
Width B17.5mm
Dynamic Cr16.1kN
Static C0r9.05kN
Limiting speed11,000rpm
Weight0.1kg
Cr / C0r1.78
Mean dia. dm28.5mm

Original catalogue drawing - NSK E1103, page 219

5203 NSK Precision / Angular Contact 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. D40 mmBore d17 mmWidth B17.5 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 diameter401.5748
BInner-ring / bearing width17.50.689
rChamfer (min)0.60.0236

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
Outside dia. D (mm)40
Width B (mm)17.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)3619
Basic static load rating Cor (lbs)2035
Basic dynamic load rating Cr (N)16100
Basic static load rating C0r (N)9050
Limiting speed - grease (rpm)11,000
Limiting speed - oil (rpm)15,000

Weight

Weight (kg)0.1

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)0.6

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
44,02564356
62,6832161,200
82,0125122,844
101,6101,0005,556
151,0733,37518,750

Basic rating life per ISO 281: L10 = (C/P)3 with C = 16,100 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.219 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
3203-B-2RSR-TVHFAGPrecision / Angular Contact174017.514.6 kN0.095
3203-B-2Z-TVHFAGPrecision / Angular Contact174017.514.6 kN0.095
3203-B-TVHFAGPrecision / Angular Contact174017.514.6 kN0.093
3203-BD-XL-2HRS-TVHFAGPrecision / Angular Contact174017.515.5 kN0.093
3203-BD-XL-2Z-TVHFAGPrecision / Angular Contact174017.515.5 kN0.094
3203-BD-XL-TVHFAGPrecision / Angular Contact174017.515.5 kN0.095

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
3203JNSKBall174017.52,880 lbs0.104
5203JNSKBall174017.53,290 lbs0.091
5203TNGNSKBall174017.53,280 lbs0.086
5203AZZNSKPrecision / Angular Contact174017.514 kN0.1

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
17BGR10HNSKPrecision / Angular Contact1735101,010 lbs0.036
17BGR10SNSKPrecision / Angular Contact1735101,010 lbs0.036
17TAC47BNSKPrecision / Angular Contact174715--
5203AZZNSKPrecision / Angular Contact174017.514 kN0.1
5303NSKPrecision / Angular Contact174722.223.1 kN0.18
5303AZZNSKPrecision / Angular Contact174722.221.6 kN0.18
7003NSKPrecision / Angular Contact1735107 kN0.04
7003A5NSKPrecision / Angular Contact1735101,420 lbs0.041

Request a quotation for 5203

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.