SIFT BEARING STORE CATALOG

230/1250CAME4NSKSpherical Roller

230/1250CAME4 is a NSK spherical roller bearing, bore 1250 mm, O.D. 1750 mm, width 375 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d1250mm
Outside dia. D1750mm
Width B375mm
Dynamic Cr3,900,000lbs
Static C0r9,950,000lbs
Limiting speed90rpm
Weight2760.563kg
Cr / C0r0.39
Mean dia. dm1500mm

Original catalogue drawing - NSK catalogue, page 81

230/1250CAME4 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. D1750 mmBore d1250 mmWidth B375 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 diameter125049.2126
DOutside diameter175068.8976
BInner-ring / bearing width37514.7638

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)1250
Bore d (in)49.2126
Outside dia. D (mm)1750
Outside dia. D (in)68.8976
Width B (mm)375
Width B (in)14.7638

Load ratings & speeds

Basic dynamic load rating Cr (lbs)3900000
Basic static load rating Cor (lbs)9950000
Limiting speed - grease (rpm)90
Limiting speed - oil (rpm)110

Weight

Weight (kg)2760.563

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.314
Shaft shoulder da min (in)50.94
Shaft shoulder da max (in)54.11
Housing shoulder Da min (in)62.94
Housing shoulder Da max (in)67.17

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
44,337,01610216,932
62,891,34439265,416
82,168,5081,024170,667
101,734,8062,154359,072
151,156,5388,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 17,348,064 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.83 (dimensions) / p.84 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
230/1250-B-K-MBFAGSpherical Roller1250175037518100 kN2923
230/1250-B-MBFAGSpherical Roller1250175037518100 kN2933

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
230NSKCylindrical Roller1502704577,000 lbs11.34
230/1000CAME4NSKSpherical Roller100014203082,680,000 lbs1560.358
230/1060CAME4NSKSpherical Roller106015003252,930,000 lbs1781.711
230/1120CAME4NSKSpherical Roller112015803453,450,000 lbs2120.091
230/500CAME4NSKSpherical Roller500720167850,000 lbs218.178
230/530CAME4NSKSpherical Roller530780185990,000 lbs295.742
230/560CAME4NSKSpherical Roller5608201951,120,000 lbs343.369
230/600CAME4NSKSpherical Roller6008702001,230,000 lbs388.275

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
239/1250CAME4NSKSpherical Roller125016302802,600,000 lbs1521.802
240/1250CAME4NSKSpherical Roller125017505004,700,000 lbs3690.428

Request a quotation for 230/1250CAME4

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