SIFT BEARING STORE CATALOG

239/750-MBFAGSpherical Roller

239/750-MB is a FAG spherical roller bearing, bore 750 mm, O.D. 1000 mm, width 185 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d750mm
Outside dia. D1000mm
Width B185mm
Dynamic Cr5200kN
Static C0r13000kN
Limiting speed640rpm
Weight426kg
Cr / C0r0.4
Mean dia. dm875mm

Original catalogue drawing - FAG Schaeffler HR 1, page 742

239/750-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. D1000 mmBore d750 mmWidth B185 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 diameter75029.5276
DOutside diameter100039.3701
BInner-ring / bearing width1857.2835
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)750
Outside dia. D (mm)1000
Width B (mm)185
Inner-ring shoulder dia. D1 (mm)923.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)1169007
Basic static load rating Cor (lbs)2922516
Basic dynamic load rating Cr (N)5.2e+06
Basic static load rating C0r (N)1.3e+07
Fatigue limit load Cur (N)790000
Factor e0.17
Factor Y03.86
Limiting speed nG (rpm)640
Reference speed nB (rpm)325

Weight

Weight (kg)426.0

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)6
Shaft shoulder da (mm)773
Housing shoulder Da (mm)977
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
41,300,0001028,466
6866,66739232,708
8650,0001,02485,333
10520,0002,154179,536
15346,6678,323693,622

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 5,200,000 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.742 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
239/750CAME4NSKSpherical Roller75010001851,180,000 lbs397.528

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
239/750-K-MBFAGSpherical Roller75010001855200 kN394

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
230/750-K-MBFAGSpherical Roller75010902508500 kN786
230/750-MBFAGSpherical Roller75010902508500 kN806
231/750-B-K-MBFAGSpherical Roller750122036514100 kN1700
231/750-B-MBFAGSpherical Roller750122036514100 kN1754
232/750-B-K-MBFAGSpherical Roller750136047519300 kN3087
232/750-B-MBFAGSpherical Roller750136047519300 kN3136
238/750-B-K-MBFAGSpherical Roller7509201283000 kN180
238/750-B-MBFAGSpherical Roller7509201283000 kN186

Request a quotation for 239/750-MB

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