SIFT BEARING STORE CATALOG

249/800-B-MBFAGSpherical Roller

249/800-B-MB is a FAG spherical roller bearing, bore 800 mm, O.D. 1060 mm, width 258 mm. Dimensions, drawing, interchanges and price.

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Bore d800mm
Outside dia. D1060mm
Width B258mm
Dynamic Cr7700kN
Static C0r20300kN
Limiting speed480rpm
Weight650kg
Cr / C0r0.38
Mean dia. dm930mm

Original catalogue drawing - FAG Schaeffler HR 1, page 744

249/800-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. D1060 mmBore d800 mmWidth B258 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 diameter80031.4961
DOutside diameter106041.7323
BInner-ring / bearing width25810.1575
rChamfer (min)60.2362

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)800
Outside dia. D (mm)1060
Width B (mm)258
Inner-ring shoulder dia. D1 (mm)978.6

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1731029
Basic static load rating Cor (lbs)4563622
Basic dynamic load rating Cr (N)7.7e+06
Basic static load rating C0r (N)2.03e+07
Fatigue limit load Cur (N)1.36e+06
Factor e0.23
Factor Y02.92
Limiting speed nG (rpm)480
Reference speed nB (rpm)133

Weight

Weight (kg)650.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)6
Shaft shoulder da (mm)823
Housing shoulder Da (mm)1037
Housing fillet ra max (mm)5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 100 rpm
41,925,00010216,932
61,283,33339265,416
8962,5001,024170,667
10770,0002,154359,072
15513,3338,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 7,700,000 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
249/800-B-K30-MBFAGSpherical Roller80010602587700 kN639

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
249/1000-B-K30-MBFAGSpherical Roller1000132031511400 kN1192
249/1000-B-MBFAGSpherical Roller1000132031511400 kN1212
249/1060-B-K30-MBFAGSpherical Roller1060140033512900 kN1411
249/1060-B-MBFAGSpherical Roller1060140033512900 kN1436
249/1120-B-K30-MBFAGSpherical Roller1120146033512800 kN1518
249/1120-B-MBFAGSpherical Roller1120146033512800 kN1545
249/1180-B-K30-MBFAGSpherical Roller1180154035514700 kN1751
249/1180-B-MBFAGSpherical Roller1180154035514700 kN1788

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/800-K-MBFAGSpherical Roller80011502589300 kN877
230/800-MBFAGSpherical Roller80011502589300 kN899
231/800-K-MBFAGSpherical Roller800128037514900 kN1861
231/800-MBFAGSpherical Roller800128037514900 kN1968
232/800-K-MBFAGSpherical Roller800142048820000 kN3325
232/800-MBFAGSpherical Roller800142048820000 kN3377
238/800-B-K-MBFAGSpherical Roller8009801363400 kN216
238/800-B-MBFAGSpherical Roller8009801363400 kN223

Request a quotation for 249/800-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.

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