SIFT BEARING STORE CATALOG

230/670-B-K-MBFAGSpherical Roller

230/670-B-K-MB is a FAG spherical roller bearing, bore 670 mm, O.D. 980 mm, width 230 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d670mm
Outside dia. D980mm
Width B230mm
Dynamic Cr7200kN
Static C0r15800kN
Limiting speed630rpm
Weight590kg
Cr / C0r0.46
Mean dia. dm825mm

Original catalogue drawing - FAG Schaeffler HR 1, page 768

230/670-B-K-MB FAG 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. D980 mmBore d670 mmWidth B230 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 diameter98038.5827
BInner-ring / bearing width2309.0551
rChamfer (min)7.50.2953

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
Outside dia. D (mm)980
Width B (mm)230
Inner-ring shoulder dia. D1 (mm)888.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1618624
Basic static load rating Cor (lbs)3551981
Basic dynamic load rating Cr (N)7.2e+06
Basic static load rating C0r (N)1.58e+07
Fatigue limit load Cur (N)1.1e+06
Factor e0.22
Factor Y02.94
Limiting speed nG (rpm)630
Reference speed nB (rpm)350
Effective load centre a (mm)8

Weight

Weight (kg)590.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)7.5
Shaft shoulder da (mm)698
Shaft shoulder db (mm)694
Housing shoulder Da (mm)952
Housing fillet ra max (mm)6

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
41,800,0001028,466
61,200,00039232,708
8900,0001,02485,333
10720,0002,154179,536
15480,0008,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 7,200,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.768 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
230/670CAME4NSKSpherical Roller6709802301,540,000 lbs569.712

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
230/670-B-MBFAGSpherical Roller6709802307200 kN600

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
230/1000-K-MBFAGSpherical Roller1000142030813100 kN1590
230/1000-MBFAGSpherical Roller1000142030813100 kN1590
230/1060-B-MBFAGSpherical Roller1060150032513700 kN1896
230/1120-B-MBFAGSpherical Roller1120158034514900 kN2210
230/1180-B-MBFAGSpherical Roller1180166035516600 kN2513
230/1250-B-K-MBFAGSpherical Roller1250175037518100 kN2923
230/1250-B-MBFAGSpherical Roller1250175037518100 kN2933
230/500-BEA-XL-K-MB1FAGSpherical Roller5007201674700 kN223

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
231/670-B-K-MBFAGSpherical Roller670109033611000 kN1241
231/670-B-MBFAGSpherical Roller670109033611000 kN1279
232/670-B-K-MBFAGSpherical Roller670122043816000 kN2246
232/670-B-MBFAGSpherical Roller670122043816000 kN2317
238/670-B-K-MBFAGSpherical Roller6708201122380 kN124
238/670-B-MBFAGSpherical Roller6708201122380 kN129
239/670-B-K-MBFAGSpherical Roller6709001704300 kN310
239/670-B-MBFAGSpherical Roller6709001704300 kN320

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