SIFT BEARING STORE CATALOG

230/1250-B-K-MBFAGSpherical Roller

230/1250-B-K-MB is a FAG spherical roller bearing, bore 1250 mm, O.D. 1750 mm, width 375 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d1250mm
Outside dia. D1750mm
Width B375mm
Dynamic Cr18100kN
Static C0r46500kN
Limiting speed310rpm
Weight2923kg
Cr / C0r0.39
Mean dia. dm1500mm

Original catalogue drawing - FAG Schaeffler HR 1, page 750

230/1250-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. 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
rChamfer (min)9.50.374

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
Outside dia. D (mm)1750
Width B (mm)375
Inner-ring shoulder dia. D1 (mm)1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)4069042
Basic static load rating Cor (lbs)10453616
Basic dynamic load rating Cr (N)1.81e+07
Basic static load rating C0r (N)4.65e+07
Fatigue limit load Cur (N)2.7e+06
Factor e0.2
Factor Y03.27
Limiting speed nG (rpm)310
Reference speed nB (rpm)154

Weight

Weight (kg)2923.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)9.5
Shaft shoulder da (mm)1284
Housing shoulder Da (mm)1716
Housing fillet ra max (mm)8

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
44,525,00010216,932
63,016,66739265,416
82,262,5001,024170,667
101,810,0002,154359,072
151,206,6678,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 18,100,000 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.750 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
230/1250CAME4NSKSpherical Roller125017503753,900,000 lbs2760.563

Same dimensions, same brand

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

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-MBFAGSpherical Roller1250175037518100 kN2933
230/500-BEA-XL-K-MB1FAGSpherical Roller5007201674700 kN223
230/500-BEA-XL-MB1FAGSpherical Roller5007201674700 kN230

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
248/1250-B-MBFAGSpherical Roller125015002509000 kN918
249/1250-B-K30-MBFAGSpherical Roller1250163037516000 kN2096
249/1250-B-MBFAGSpherical Roller1250163037516000 kN2132

Request a quotation for 230/1250-B-K-MB

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