SIFT BEARING STORE CATALOG

239/1250CAME4NSKSpherical Roller

239/1250CAME4 is a NSK spherical roller bearing, bore 1250 mm, O.D. 1630 mm, width 280 mm. Dimensions, drawing, interchanges and price.

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Bore d1250mm
Outside dia. D1630mm
Width B280mm
Dynamic Cr2,600,000lbs
Static C0r7,050,000lbs
Limiting speed100rpm
Weight1521.802kg
Cr / C0r0.37
Mean dia. dm1440mm

Original catalogue drawing - NSK catalogue, page 91

239/1250CAME4 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. D1630 mmBore d1250 mmWidth B280 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 diameter163064.1732
BInner-ring / bearing width28011.0236

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)1250
Bore d (in)49.2126
Outside dia. D (mm)1630
Outside dia. D (in)64.1732
Width B (mm)280
Width B (in)11.0236

Load ratings & speeds

Basic dynamic load rating Cr (lbs)2600000
Basic static load rating Cor (lbs)7050000
Limiting speed - grease (rpm)100
Limiting speed - oil (rpm)120

Weight

Weight (kg)1521.802

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.236
Shaft shoulder da min (in)50.63
Shaft shoulder da max (in)53.21
Housing shoulder Da min (in)60.08
Housing shoulder Da max (in)62.76

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
42,891,34410216,932
61,927,56339265,416
81,445,6721,024170,667
101,156,5382,154359,072
15771,0258,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 11,565,376 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.

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
239/1000CAME4NSKSpherical Roller100013202361,840,000 lbs878.608
239/1060CAME4NSKSpherical Roller106014002502,090,000 lbs1026.48
239/1120CAME4NSKSpherical Roller112014602502,130,000 lbs1102.229
239/1180CAME4NSKSpherical Roller118015402722,380,000 lbs1305.892
239/1400CAME4NSKSpherical Roller140018203153,200,000 lbs2135.966
239/500CAME4NSKSpherical Roller500670128550,000 lbs122.878
239/530CAME4NSKSpherical Roller530710136660,000 lbs148.007
239/560CAME4NSKSpherical Roller560750140700,000 lbs170.052

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/1250CAME4NSKSpherical Roller125017503753,900,000 lbs2760.563
240/1250CAME4NSKSpherical Roller125017505004,700,000 lbs3690.428

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