SIFT BEARING STORE CATALOG

231/850-B-MBFAGSpherical Roller

231/850-B-MB is a FAG spherical roller bearing, bore 850 mm, O.D. 1360 mm, width 400 mm. Dimensions, drawing, interchanges and price.

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Bore d850mm
Outside dia. D1360mm
Width B400mm
Dynamic Cr16100kN
Static C0r36000kN
Limiting speed385rpm
Weight2396kg
Cr / C0r0.45
Mean dia. dm1105mm

Original catalogue drawing - FAG Schaeffler HR 1, page 744

231/850-B-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. D1360 mmBore d850 mmWidth B400 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 diameter136053.5433
BInner-ring / bearing width40015.748
rChamfer (min)120.4724

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)1360
Width B (mm)400
Inner-ring shoulder dia. D1 (mm)1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)3619424
Basic static load rating Cor (lbs)8093122
Basic dynamic load rating Cr (N)1.61e+07
Basic static load rating C0r (N)3.6e+07
Fatigue limit load Cur (N)2.29e+06
Factor e0.29
Factor Y02.3
Limiting speed nG (rpm)385
Reference speed nB (rpm)164

Weight

Weight (kg)2396.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)12
Shaft shoulder da (mm)898
Housing shoulder Da (mm)1312
Housing fillet ra max (mm)10

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
44,025,00010216,932
62,683,33339265,416
82,012,5001,024170,667
101,610,0002,154359,072
151,073,3338,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 16,100,000 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.744 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
231/850CAME4NSKSpherical Roller85013604003,550,000 lbs2258.436

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
231/850-B-K-MBFAGSpherical Roller850136040016100 kN2245

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
231/1000-B-K-MBFAGSpherical Roller1000158046222000 kN3474
231/1000-B-MBFAGSpherical Roller1000158046222000 kN3474
231/500-BEA-XL-K-MB1FAGSpherical Roller5008302648300 kN574
231/500-BEA-XL-MB1FAGSpherical Roller5008302648300 kN593
231/530-BEA-XL-K-MB1FAGSpherical Roller5308702728900 kN634
231/530-BEA-XL-MB1FAGSpherical Roller5308702728900 kN655
231/560-BEA-XL-K-MB1FAGSpherical Roller5609202809700 kN731
231/560-BEA-XL-MB1FAGSpherical Roller5609202809700 kN754

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/850-B-K-MBFAGSpherical Roller850122027210300 kN1035
230/850-B-MBFAGSpherical Roller850122027210300 kN1078
238/850-K-MBFAGSpherical Roller85010301363500 kN228
238/850-MBFAGSpherical Roller85010301363500 kN236
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 231/850-B-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