SIFT BEARING STORE CATALOG

238/850-K-MBFAGSpherical Roller

238/850-K-MB is a FAG spherical roller bearing, bore 850 mm, O.D. 1030 mm, width 136 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d850mm
Outside dia. D1030mm
Width B136mm
Dynamic Cr3500kN
Static C0r10600kN
Limiting speed620rpm
Weight228kg
Cr / C0r0.33
Mean dia. dm940mm

Original catalogue drawing - FAG Schaeffler HR 1, page 744

238/850-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. D1030 mmBore d850 mmWidth B136 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 diameter85033.4646
DOutside diameter103040.5512
BInner-ring / bearing width1365.3543
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)850
Outside dia. D (mm)1030
Width B (mm)136
Inner-ring shoulder dia. D1 (mm)978.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)786831
Basic static load rating Cor (lbs)2382975
Basic dynamic load rating Cr (N)3.5e+06
Basic static load rating C0r (N)1.06e+07
Fatigue limit load Cur (N)710000
Factor e0.11
Factor Y05.92
Limiting speed nG (rpm)620
Reference speed nB (rpm)285

Weight

Weight (kg)228.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Shaft shoulder da (mm)868
Housing shoulder Da (mm)1012
Housing fillet ra max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
4875,0001028,466
6583,33339232,708
8437,5001,02485,333
10350,0002,154179,536
15233,3338,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 3,500,000 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.744 (dimensions)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
238/850-MBFAGSpherical Roller85010301363500 kN236

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
230/850-B-K-MBFAGSpherical Roller850122027210300 kN1035
230/850-B-MBFAGSpherical Roller850122027210300 kN1078
231/850-B-K-MBFAGSpherical Roller850136040016100 kN2245
231/850-B-MBFAGSpherical Roller850136040016100 kN2396
239/850-K-MBFAGSpherical Roller85011202006300 kN554
239/850-MBFAGSpherical Roller85011202006300 kN579
240/850-B-K30-MBFAGSpherical Roller850122036512800 kN1415
240/850-B-MBFAGSpherical Roller850122036512800 kN1438

Request a quotation for 238/850-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