SIFT BEARING STORE CATALOG

248/500-B-MBFAGSpherical Roller

248/500-B-MB is a FAG spherical roller bearing, bore 500 mm, O.D. 620 mm, width 118 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d500mm
Outside dia. D620mm
Width B118mm
Dynamic Cr2070kN
Static C0r5700kN
Limiting speed930rpm
Weight84.3kg
Cr / C0r0.36
Mean dia. dm560mm

Original catalogue drawing - FAG Schaeffler HR 1, page 736

248/500-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. D620 mmBore d500 mmWidth B118 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 diameter50019.685
DOutside diameter62024.4094
BInner-ring / bearing width1184.6457
rChamfer (min)30.1181

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)500
Outside dia. D (mm)620
Width B (mm)118
Inner-ring shoulder dia. D1 (mm)583.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)465355
Basic static load rating Cor (lbs)1281411
Basic dynamic load rating Cr (N)2.07e+06
Basic static load rating C0r (N)5.7e+06
Fatigue limit load Cur (N)265000
Factor e0.17
Factor Y03.91
Limiting speed nG (rpm)930
Reference speed nB (rpm)290

Weight

Weight (kg)84.3

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3
Shaft shoulder da (mm)512.4
Housing shoulder Da (mm)607.6
Housing fillet ra max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 300 rpm
4517,5001025,644
6345,00039221,805
8258,7501,02456,889
10207,0002,154119,691
15138,0008,323462,415

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,070,000 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.736 (dimensions)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
248/1000-B-MBFAGSpherical Roller100012202186700 kN546
248/1060-B-MBFAGSpherical Roller106012802187000 kN599
248/1120-B-MBFAGSpherical Roller112013602438000 kN791
248/1180-B-MBFAGSpherical Roller118014202438400 kN790
248/1250-B-MBFAGSpherical Roller125015002509000 kN918
248/1320-B-MBFAGSpherical Roller1320160028010300 kN1235
248/1400-B-MBFAGSpherical Roller1400170030012100 kN1470
248/1500-B-MBFAGSpherical Roller1500182031513000 kN1660

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
230/500-BEA-XL-K-MB1FAGSpherical Roller5007201674700 kN223
230/500-BEA-XL-MB1FAGSpherical Roller5007201674700 kN230
231/500-BEA-XL-K-MB1FAGSpherical Roller5008302648300 kN574
231/500-BEA-XL-MB1FAGSpherical Roller5008302648300 kN593
232/500-BEA-XL-K-MB1FAGSpherical Roller50092033611300 kN983
232/500-BEA-XL-MB1FAGSpherical Roller50092033611300 kN1013
239/500-K-MBFAGSpherical Roller5006701282600 kN124
239/500-MBFAGSpherical Roller5006701282600 kN132

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