SIFT BEARING STORE CATALOG

248/630-MBFAGSpherical Roller

248/630-MB is a FAG spherical roller bearing, bore 630 mm, O.D. 780 mm, width 150 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d630mm
Outside dia. D780mm
Width B150mm
Dynamic Cr3200kN
Static C0r9000kN
Limiting speed700rpm
Weight163kg
Cr / C0r0.36
Mean dia. dm705mm

Original catalogue drawing - FAG Schaeffler HR 1, page 740

248/630-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. D780 mmBore d630 mmWidth B150 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 diameter63024.8031
DOutside diameter78030.7087
BInner-ring / bearing width1505.9055
rChamfer (min)40.1575

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)630
Outside dia. D (mm)780
Width B (mm)150
Inner-ring shoulder dia. D1 (mm)734.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)719389
Basic static load rating Cor (lbs)2023280
Basic dynamic load rating Cr (N)3.2e+06
Basic static load rating C0r (N)9e+06
Fatigue limit load Cur (N)560000
Factor e0.17
Factor Y03.86
Limiting speed nG (rpm)700
Reference speed nB (rpm)209

Weight

Weight (kg)163.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)4
Shaft shoulder da (mm)645
Housing shoulder Da (mm)765
Housing fillet ra max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
4800,0001028,466
6533,33339232,708
8400,0001,02485,333
10320,0002,154179,536
15213,3338,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 3,200,000 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.740 (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
230/630-BEA-XL-K-MB1FAGSpherical Roller6309202127400 kN476
230/630-BEA-XL-MB1FAGSpherical Roller6309202127400 kN491
231/630-B-K-MBFAGSpherical Roller63010303159800 kN1037
231/630-B-MBFAGSpherical Roller63010303159800 kN1074
232/630-B-K-MBFAGSpherical Roller630115041214400 kN1910
232/630-B-MBFAGSpherical Roller630115041214400 kN1940
238/630-XL-K-MA1FAGSpherical Roller6307801122650 kN120
238/630-XL-MA1FAGSpherical Roller6307801122650 kN122

Request a quotation for 248/630-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