SIFT BEARING STORE CATALOG

K41125-41286FAGTapered Roller

K41125-41286 is a FAG tapered roller bearing, bore 28.57 mm, O.D. 72.63 mm, width 24.26 mm. Dimensions, drawing, interchanges and price.

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Bore d28.57mm
Outside dia. D72.63mm
Width B24.26mm
Dynamic Cr56kN
Static C0r53kN
Limiting speed10,900rpm
Weight0.492kg
Cr / C0r1.06
Mean dia. dm50.6mm

Original catalogue drawing - FAG Schaeffler HR 1, page 614

K41125-41286 FAG Tapered 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. D72.63 mmBore d28.57 mmWidth B24.26 mmCup width C17.46 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 diameter28.5751.125
DOutside diameter72.6262.8593
BInner-ring / bearing width24.2570.955
TOverall assembly width24.6080.9688
CCup / outer-ring width17.4620.6875

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)28.575
Outside dia. D (mm)72.626
Width B (mm)24.257
Overall width T (mm)24.608
Cup width C (mm)17.462
Inner-ring OD d1 (mm)50.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)12589
Basic static load rating Cor (lbs)11915
Basic dynamic load rating Cr (N)56000
Basic static load rating C0r (N)53000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)6000
Factor e0.6
Factor Y0.99
Factor Y00.55
Limiting speed nG (rpm)10,900
Effective load centre a (mm)21

Weight

Weight (kg)0.492

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)4.8
Shaft shoulder da (mm)36.5
Shaft shoulder db (mm)48
Housing shoulder Da (mm)61
Housing shoulder Db (mm)68
Housing fillet ra max (mm)4.8
Fillet rb max (mm)1.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
414,000102564
69,3333922,181
87,0001,0245,689
105,6002,15411,969
153,7338,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 56,000 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.614 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
41125/41286TimkenTapered Roller28.5772.6224.2682.6 kN0.47
41126/41286TimkenTapered Roller28.5772.6224.2682.6 kN0.47

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
K1985-1922FAGTapered Roller28.5757.1519.3648 kN0.233
K1988-1922FAGTapered Roller28.5757.1519.3648 kN0.267
KLM67043-LM67010FAGTapered Roller28.5759.1316.7634 kN0.207
303/28FAGTapered Roller28681853 kN0.342
320/28-XFAGTapered Roller28521633.5 kN0.156
322/28-BFAGTapered Roller28581943.5 kN0.257
329/28FAGTapered Roller28451215.8 kN0.073
332/28FAGTapered Roller28582457 kN0.306

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