SIFT BEARING STORE CATALOG

249/710-B-K30-MBFAGSpherical Roller

249/710-B-K30-MB is a FAG spherical roller bearing, bore 710 mm, O.D. 950 mm, width 243 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d710mm
Outside dia. D950mm
Width B243mm
Dynamic Cr6600kN
Static C0r16900kN
Limiting speed550rpm
Weight488kg
Cr / C0r0.39
Mean dia. dm830mm

Original catalogue drawing - FAG Schaeffler HR 1, page 742

249/710-B-K30-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. D950 mmBore d710 mmWidth B243 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 diameter71027.9528
DOutside diameter95037.4016
BInner-ring / bearing width2439.5669
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)710
Outside dia. D (mm)950
Width B (mm)243
Inner-ring shoulder dia. D1 (mm)871.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1483739
Basic static load rating Cor (lbs)3799271
Basic dynamic load rating Cr (N)6.6e+06
Basic static load rating C0r (N)1.69e+07
Fatigue limit load Cur (N)1.06e+06
Factor e0.24
Factor Y02.75
Limiting speed nG (rpm)550
Reference speed nB (rpm)159

Weight

Weight (kg)488.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)6
Shaft shoulder da (mm)733
Housing shoulder Da (mm)927
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
41,650,00010216,932
61,100,00039265,416
8825,0001,024170,667
10660,0002,154359,072
15440,0008,3231,387,244

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 6,600,000 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.742 (dimensions)

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

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
249/710-B-MBFAGSpherical Roller7109502436600 kN494

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
230/710-B-K-MBFAGSpherical Roller71010302367600 kN650
230/710-B-MBFAGSpherical Roller71010302367600 kN678
231/710-B-K-MBFAGSpherical Roller710115034512500 kN1417
231/710-B-MBFAGSpherical Roller710115034512500 kN1450
232/710-B-K-MBFAGSpherical Roller710128045017200 kN2541
232/710-B-MBFAGSpherical Roller710128045017200 kN2614
238/710-K-MBFAGSpherical Roller7108701182650 kN148
238/710-MBFAGSpherical Roller7108701182650 kN153

Request a quotation for 249/710-B-K30-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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