SIFT BEARING STORE CATALOG

239/950-B-K-MBFAGSpherical Roller

239/950-B-K-MB is a FAG spherical roller bearing, bore 950 mm, O.D. 1250 mm, width 224 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d950mm
Outside dia. D1250mm
Width B224mm
Dynamic Cr7500kN
Static C0r19900kN
Limiting speed475rpm
Weight747kg
Cr / C0r0.38
Mean dia. dm1100mm

Original catalogue drawing - FAG Schaeffler HR 1, page 746

239/950-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. D1250 mmBore d950 mmWidth B224 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 diameter95037.4016
DOutside diameter125049.2126
BInner-ring / bearing width2248.8189
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)950
Outside dia. D (mm)1250
Width B (mm)224
Inner-ring shoulder dia. D1 (mm)1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1686067
Basic static load rating Cor (lbs)4473698
Basic dynamic load rating Cr (N)7.5e+06
Basic static load rating C0r (N)1.99e+07
Fatigue limit load Cur (N)1.28e+06
Factor e0.16
Factor Y04.13
Limiting speed nG (rpm)475
Reference speed nB (rpm)239

Weight

Weight (kg)747.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)7.5
Shaft shoulder da (mm)978
Housing shoulder Da (mm)1222
Housing fillet ra max (mm)6

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
41,875,00010216,932
61,250,00039265,416
8937,5001,024170,667
10750,0002,154359,072
15500,0008,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 7,500,000 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.746 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
239/950CAME4NSKSpherical Roller95012502241,710,000 lbs729.83

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
239/950-B-MBFAGSpherical Roller95012502247500 kN769

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
239/1060-K-MB1FAGSpherical Roller106014002509900 kN1060
239/1060-MB1FAGSpherical Roller106014002509900 kN1081
239/1180-B-K-MBFAGSpherical Roller1180154027211300 kN1340
239/1180-B-MBFAGSpherical Roller1180154027211300 kN1385
239/500-K-MBFAGSpherical Roller5006701282600 kN124
239/500-MBFAGSpherical Roller5006701282600 kN132
239/530-K-MBFAGSpherical Roller5307101362850 kN146
239/530-MBFAGSpherical Roller5307101362850 kN160

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/950-B-K-MBFAGSpherical Roller950136030012300 kN1421
230/950-B-MBFAGSpherical Roller950136030012300 kN1493
240/950-B-K30-MBFAGSpherical Roller950136041216200 kN1973
240/950-B-MBFAGSpherical Roller950136041216200 kN1993
241/950-B-K30-MBFAGSpherical Roller950150054523700 kN3777
241/950-B-MBFAGSpherical Roller950150054523700 kN3819
248/950-MBFAGSpherical Roller95011502005700 kN431
249/950-B-K30-MBFAGSpherical Roller950125030010300 kN1013

Request a quotation for 239/950-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