SIFT BEARING STORE CATALOG

231/670CAME4NSKSpherical Roller

231/670CAME4 is a NSK spherical roller bearing, bore 670 mm, O.D. 1090 mm, width 336 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d670mm
Outside dia. D1090mm
Width B336mm
Dynamic Cr2,390,000lbs
Static C0r4,850,000lbs
Limiting speed190rpm
Weight1231.503kg
Cr / C0r0.49
Mean dia. dm880mm

Original catalogue drawing - NSK catalogue, page 85

231/670CAME4 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. D1090 mmBore d670 mmWidth B336 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 diameter67026.378
DOutside diameter109042.9134
BInner-ring / bearing width33613.2283

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)670
Bore d (in)26.3780
Outside dia. D (mm)1090
Outside dia. D (in)42.9134
Width B (mm)336
Width B (in)13.2283

Load ratings & speeds

Basic dynamic load rating Cr (lbs)2390000
Basic static load rating Cor (lbs)4850000
Limiting speed - grease (rpm)190
Limiting speed - oil (rpm)240

Weight

Weight (kg)1231.503

Mounting dimensions (fillets / shoulders)

Chamfer r (in)0.236
Shaft shoulder da min (in)27.80
Shaft shoulder da max (in)30.03
Housing shoulder Da min (in)37.45
Housing shoulder Da max (in)41.50

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
42,657,81210216,932
61,771,87539265,416
81,328,9061,024170,667
101,063,1252,154359,072
15708,7508,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 10,631,250 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.87 (dimensions) / p.88 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
231/670-B-K-MBFAGSpherical Roller670109033611000 kN1241
231/670-B-MBFAGSpherical Roller670109033611000 kN1279

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
231/500CAME4NSKSpherical Roller5008302641,540,000 lbs562.908
231/530CAME4NSKSpherical Roller5308702721,610,000 lbs626.411
231/560CAME4NSKSpherical Roller5609202801,760,000 lbs725.748
231/600CAME4NSKSpherical Roller6009803001,970,000 lbs896.299
231/630CAME4NSKSpherical Roller63010303152,160,000 lbs1041.448
231/710CAME4NSKSpherical Roller71011503452,660,000 lbs1412.487
231/750CAME4NSKSpherical Roller75012203652,940,000 lbs1692.807
231/800CAME4NSKSpherical Roller80012803753,100,000 lbs1869.254

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/670CAME4NSKSpherical Roller6709802301,540,000 lbs569.712
232/670CAME4NSKSpherical Roller67012204383,350,000 lbs2203.098
239/670CAME4NSKSpherical Roller670900170985,000 lbs299.825
240/670CAME4NSKSpherical Roller6709803081,900,000 lbs771.561
241/670CAME4NSKSpherical Roller67010904122,790,000 lbs1440.156

Request a quotation for 231/670CAME4

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