SIFT BEARING STORE CATALOG

238/900-B-K-MBFAGSpherical Roller

238/900-B-K-MB is a FAG spherical roller bearing, bore 900 mm, O.D. 1090 mm, width 140 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d900mm
Outside dia. D1090mm
Width B140mm
Dynamic Cr3750kN
Static C0r11600kN
Limiting speed590rpm
Weight262kg
Cr / C0r0.32
Mean dia. dm995mm

Original catalogue drawing - FAG Schaeffler HR 1, page 746

238/900-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. D1090 mmBore d900 mmWidth B140 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 diameter90035.4331
DOutside diameter109042.9134
BInner-ring / bearing width1405.5118
rChamfer (min)50.1969

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)900
Outside dia. D (mm)1090
Width B (mm)140
Inner-ring shoulder dia. D1 (mm)1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)843034
Basic static load rating Cor (lbs)2607784
Basic dynamic load rating Cr (N)3.75e+06
Basic static load rating C0r (N)1.16e+07
Fatigue limit load Cur (N)760000
Factor e0.11
Factor Y05.92
Limiting speed nG (rpm)590
Reference speed nB (rpm)260

Weight

Weight (kg)262.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Shaft shoulder da (mm)918
Housing shoulder Da (mm)1072
Housing fillet ra max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
4937,50010216,932
6625,00039265,416
8468,7501,024170,667
10375,0002,154359,072
15250,0008,3231,387,244

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
238/900-B-MBFAGSpherical Roller90010901403750 kN271

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
238/1000-K-MBFAGSpherical Roller100012201654900 kN399
238/1000-MBFAGSpherical Roller100012201654900 kN413
238/1060-B-K-MBFAGSpherical Roller106012801655100 kN421
238/1060-B-MBFAGSpherical Roller106012801655100 kN435
238/1180-B-K-MBFAGSpherical Roller118014201806000 kN556
238/1180-B-MBFAGSpherical Roller118014201806000 kN576
238/600-K-MBFAGSpherical Roller600730981960 kN84
238/600-MBFAGSpherical Roller600730981960 kN87

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/900-B-K-MBFAGSpherical Roller900128028011100 kN1153
230/900-B-MBFAGSpherical Roller900128028011100 kN1228
231/900-B-K-MBFAGSpherical Roller900142041218000 kN2469
231/900-B-MBFAGSpherical Roller900142041218000 kN2570
239/900-K-MBFAGSpherical Roller90011802066500 kN641
239/900-MBFAGSpherical Roller90011802066500 kN653
240/900-B-K30-MBFAGSpherical Roller900128037514200 kN1569
240/900-B-MBFAGSpherical Roller900128037514200 kN1595

Request a quotation for 238/900-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