SIFT BEARING STORE CATALOG

239/630-B-K-MBFAGSpherical Roller

239/630-B-K-MB is a FAG spherical roller bearing, bore 630 mm, O.D. 850 mm, width 165 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d630mm
Outside dia. D850mm
Width B165mm
Dynamic Cr4100kN
Static C0r9900kN
Limiting speed740rpm
Weight283kg
Cr / C0r0.41
Mean dia. dm740mm

Original catalogue drawing - FAG Schaeffler HR 1, page 768

239/630-B-K-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. D850 mmBore d630 mmWidth B165 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 diameter85033.4646
BInner-ring / bearing width1656.4961
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)630
Outside dia. D (mm)850
Width B (mm)165
Inner-ring shoulder dia. D1 (mm)784.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)921717
Basic static load rating Cor (lbs)2225609
Basic dynamic load rating Cr (N)4.1e+06
Basic static load rating C0r (N)9.9e+06
Fatigue limit load Cur (N)710000
Factor e0.18
Factor Y03.72
Limiting speed nG (rpm)740
Reference speed nB (rpm)405
Effective load centre a (mm)6

Weight

Weight (kg)283.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)6
Shaft shoulder da (mm)653
Shaft shoulder db (mm)649
Housing shoulder Da (mm)827
Housing fillet ra max (mm)5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 200 rpm
41,025,0001028,466
6683,33339232,708
8512,5001,02485,333
10410,0002,154179,536
15273,3338,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 4,100,000 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.768 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
239/630CAME4NSKSpherical Roller630850165895,000 lbs258.729

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
239/630-B-MBFAGSpherical Roller6308501654100 kN292

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
239/1060-K-MB1FAGSpherical Roller106014002509900 kN1060
239/1060-MB1FAGSpherical Roller106014002509900 kN1081
239/1180-B-K-MBFAGSpherical Roller1180154027211300 kN1340
239/1180-B-MBFAGSpherical Roller1180154027211300 kN1385
239/500-K-MBFAGSpherical Roller5006701282600 kN124
239/500-MBFAGSpherical Roller5006701282600 kN132
239/530-K-MBFAGSpherical Roller5307101362850 kN146
239/530-MBFAGSpherical Roller5307101362850 kN160

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

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