SIFT BEARING STORE CATALOG

239/500-K-MBFAGSpherical Roller

239/500-K-MB is a FAG spherical roller bearing, bore 500 mm, O.D. 670 mm, width 128 mm. Dimensions, drawing, interchanges and price.

Tapered boreBrass cage
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Bore d500mm
Outside dia. D670mm
Width B128mm
Dynamic Cr2600kN
Static C0r6300kN
Limiting speed990rpm
Weight124kg
Cr / C0r0.41
Mean dia. dm585mm

Original catalogue drawing - FAG Schaeffler HR 1, page 768

239/500-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. D670 mmBore d500 mmWidth B128 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 diameter67026.378
BInner-ring / bearing width1285.0394
rChamfer (min)50.1969

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)670
Width B (mm)128
Inner-ring shoulder dia. D1 (mm)619.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)584503
Basic static load rating Cor (lbs)1416296
Basic dynamic load rating Cr (N)2.6e+06
Basic static load rating C0r (N)6.3e+06
Fatigue limit load Cur (N)400000
Factor e0.17
Factor Y03.81
Limiting speed nG (rpm)990
Reference speed nB (rpm)540
Effective load centre a (mm)6.5

Weight

Weight (kg)124.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)5
Shaft shoulder da (mm)518
Shaft shoulder db (mm)516
Housing shoulder Da (mm)652
Housing fillet ra max (mm)4

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 300 rpm
4650,0001025,644
6433,33339221,805
8325,0001,02456,889
10260,0002,154119,691
15173,3338,323462,415

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 2,600,000 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.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
239/500CAME4NSKSpherical Roller500670128550,000 lbs122.878

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
239/500-MBFAGSpherical Roller5006701282600 kN132

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-MBFAGSpherical Roller5006701282600 kN132
239/530-K-MBFAGSpherical Roller5307101362850 kN146
239/530-MBFAGSpherical Roller5307101362850 kN160
239/560-B-K-MBFAGSpherical Roller5607501403100 kN176

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
240/500-BEA-XL-K30-MB1FAGSpherical Roller5007202185700 kN289
240/500-BEA-XL-MB1FAGSpherical Roller5007202185700 kN294

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