SIFT BEARING STORE CATALOG

23280CAME4NSKSpherical Roller

23280CAME4 is a NSK spherical roller bearing, bore 400 mm, O.D. 720 mm, width 256 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d400mm
Outside dia. D720mm
Width B256mm
Dynamic Cr1,300,000lbs
Static C0r2,340,000lbs
Limiting speed340rpm
Weight444.974kg
Cr / C0r0.56
Mean dia. dm560mm

Original catalogue drawing - NSK catalogue, page 89

23280CAME4 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. D720 mmBore d400 mmWidth B256 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 diameter40015.748
DOutside diameter72028.3465
BInner-ring / bearing width25610.0787

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)400
Bore d (in)15.7480
Outside dia. D (mm)720
Outside dia. D (in)28.3465
Width B (mm)256
Width B (in)10.0787

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1300000
Basic static load rating Cor (lbs)2340000
Limiting speed - grease (rpm)340
Limiting speed - oil (rpm)450

Weight

Weight (kg)444.974

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.196
Shaft shoulder da min (in)16.85
Shaft shoulder da max (in)18.45
Housing shoulder Da min (in)23.99
Housing shoulder Da max (in)27.24

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
41,445,67210216,932
6963,78139265,416
8722,8361,024170,667
10578,2692,154359,072
15385,5138,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 5,782,688 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.91 (dimensions) / p.92 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
23280-BEA-XL-K-MB1FAGSpherical Roller4007202567000 kN450
23280-BEA-XL-MB1FAGSpherical Roller4007202567000 kN464

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
23080CAME4NSKSpherical Roller400600148670,000 lbs144.623
23180CAME4NSKSpherical Roller400650200930,000 lbs254.919
23980CAME4NSKSpherical Roller400540106425,000 lbs68.492
24080CAME4NSKSpherical Roller400600200810,000 lbs191.688
24180CAME4NSKSpherical Roller4006502501,110,000 lbs313.659

Request a quotation for 23280CAME4

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