SIFT BEARING STORE CATALOG

QJ324-N2-MPAFAGBall

QJ324-N2-MPA is a FAG ball bearing, bore 120 mm, O.D. 260 mm, width 55 mm, dynamic rating 385 kN. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d120mm
Outside dia. D260mm
Width B55mm
Dynamic Cr385kN
Static C0r485kN
Limiting speed4,550rpm
Weight15.6kg
Cr / C0r0.79
Mean dia. dm190mm

Original catalogue drawing - FAG Schaeffler HR 1, page 364

QJ324-N2-MPA FAG Ball 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. D260 mmBore d120 mmWidth B55 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 diameter1204.7244
DOutside diameter26010.2362
BInner-ring / bearing width552.1654
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)120
Outside dia. D (mm)260
Width B (mm)55
Inner-ring OD d1 (mm)169.9
Inner-ring shoulder dia. D1 (mm)210.6

Load ratings & speeds

Basic dynamic load rating Cr (lbs)86551
Basic static load rating Cor (lbs)109032
Basic dynamic load rating Cr (N)385000
Basic static load rating C0r (N)485000
Fatigue limit load Cur (N)19300
Limiting speed nG (rpm)4,550
Reference speed nB (rpm)2,480
Effective load centre a (mm)133

Weight

Weight (kg)15.6

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3
Shaft shoulder da (mm)134
Housing shoulder Da (mm)246
Housing fillet ra max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,500 rpm
496,25064711
664,1672162,400
848,1255125,689
1038,5001,00011,111
1525,6673,37537,500

Basic rating life per ISO 281: L10 = (C/P)3 with C = 385,000 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.364 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6324NSKBall1202605546,500 lbs12.519
7324BNSKBall1202605550,700 lbs14.288
324NSKCylindrical Roller12026055101,000 lbs13.154
NU324ENSKCylindrical Roller12026055650 kN15
HR30324NSKTapered Roller12026055660 kN13.9
HR30324JNSKTapered Roller12026055120,000 lbs13.921
7324NSKPrecision / Angular Contact12026055271 kN14.5
30324TimkenTapered Roller12026055624 kN14.17

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6324FAGBall12026055225 kN12.8
N324-E-M1FAGCylindrical Roller12026055610 kN15.1
N324-E-XL-M1FAGCylindrical Roller12026055610 kN15.3
NJ324-E-TVP2FAGCylindrical Roller12026055610 kN13.5
NJ324-E-XL-TVP2FAGCylindrical Roller12026055610 kN13.5
NU324-E-TVP2FAGCylindrical Roller12026055610 kN13.3
NU324-E-XL-TVP2FAGCylindrical Roller12026055610 kN13.3
NUP324-E-TVP2FAGCylindrical Roller12026055610 kN13.8

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
1224-MFAGBall12021542121 kN7.13
16024FAGBall1201801965 kN1.62
6024FAGBall1201802888 kN2.18
6024-2RSRFAGBall1201802888 kN2.18
6024-2ZFAGBall1201802888 kN2.23
61824-2RSR-YFAGBall1201501630.5 kN0.55
61824-2RZ-YFAGBall1201501630.5 kN0.55
61824-2Z-YFAGBall1201501629 kN0.55

Request a quotation for QJ324-N2-MPA

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