SIFT BEARING STORE CATALOG

23938CAME4NSKSpherical Roller

23938CAME4 is a NSK spherical roller bearing, bore 190 mm, O.D. 260 mm, width 52 mm. Dimensions, drawing, interchanges and price.

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Bore d190mm
Outside dia. D260mm
Width B52mm
Dynamic Cr104,000lbs
Static C0r197,000lbs
Limiting speed1,200rpm
Weight7.92kg
Cr / C0r0.53
Mean dia. dm225mm

Original catalogue drawing - NSK catalogue, page 91

23938CAME4 NSK Spherical 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. D260 mmBore d190 mmWidth B52 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 diameter1907.4803
DOutside diameter26010.2362
BInner-ring / bearing width522.0472

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)190
Bore d (in)7.4803
Outside dia. D (mm)260
Outside dia. D (in)10.2362
Width B (mm)52
Width B (in)2.0472

Load ratings & speeds

Basic dynamic load rating Cr (lbs)104000
Basic static load rating Cor (lbs)197000
Limiting speed - grease (rpm)1,200
Limiting speed - oil (rpm)1,500

Weight

Weight (kg)7.92

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.078
Shaft shoulder da min (in)7.87
Shaft shoulder da max (in)8.14
Housing shoulder Da min (in)9.45
Housing shoulder Da max (in)9.84

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 400 rpm
4115,6541024,233
677,10339216,354
857,8271,02442,667
1046,2622,15489,768
1530,8418,323346,811

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 462,615 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.93 (dimensions) / p.94 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
23938-S-K-MBFAGSpherical Roller19026052470 kN8.1
23938-S-MBFAGSpherical Roller19026052470 kN8.4

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
NN3938NSKPrecision / Angular Contact1902605277,000 lbs7.416

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
22238CAME4NSKSpherical Roller19034092255,000 lbs35.149
22338CAME4NSKSpherical Roller190400132425,000 lbs76.789
23038CAME4NSKSpherical Roller19029075174,000 lbs17.441
23138CAME4NSKSpherical Roller190320104266,000 lbs33.634
23138CE4NSKSpherical Roller190320104267,000 lbs34.128
23238CAME4NSKSpherical Roller190340120325,000 lbs46.148
23238CE4NSKSpherical Roller190340120325,000 lbs47.187
24038CAME4NSKSpherical Roller190290100219,000 lbs22.857

Request a quotation for 23938CAME4

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