SIFT BEARING STORE CATALOG

1228-MFAGBall

1228-M is a FAG ball bearing, bore 140 mm, O.D. 250 mm, width 50 mm, dynamic rating 163 kN. Dimensions, drawing, interchanges and price.

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Bore d140mm
Outside dia. D250mm
Width B50mm
Dynamic Cr163kN
Static C0r74kN
Limiting speed4,300rpm
Weight11.2kg
Cr / C0r2.2
Mean dia. dm195mm

Original catalogue drawing - FAG Schaeffler HR 1, page 344

1228-M 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. D250 mmBore d140 mmWidth B50 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 diameter1405.5118
DOutside diameter2509.8425
BInner-ring / bearing width501.9685
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)140
Outside dia. D (mm)250
Width B (mm)50
Inner-ring OD d1 (mm)175
Inner-ring shoulder dia. D1 (mm)221.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)36644
Basic static load rating Cor (lbs)16636
Basic dynamic load rating Cr (N)163000
Basic static load rating C0r (N)74000
Fatigue limit load Cur (N)3600
Factor e0.21
Factor Y03.19
Limiting speed nG (rpm)4,300
Reference speed nB (rpm)4,950

Weight

Weight (kg)11.2

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)3
Shaft shoulder da (mm)154
Housing shoulder Da (mm)236
Housing fillet ra max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,400 rpm
440,75064762
627,1672162,571
820,3755126,095
1016,3001,00011,905
1510,8673,37540,179

Basic rating life per ISO 281: L10 = (C/P)3 with C = 163,000 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.344 (dimensions)

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

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
16028FAGBall1402102286 kN2.55
6028FAGBall14021033117 kN3.6
6028-2RSRFAGBall14021033117 kN3.58
6028-2ZFAGBall14021033117 kN3.56
61828-YFAGBall1401751841.5 kN0.848
6228FAGBall14025042188 kN8.07
6328-MFAGBall14030062270 kN21.767
QJ228-N2-MPAFAGBall14025042315 kN9.69

Request a quotation for 1228-M

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