SIFT BEARING STORE CATALOG

K49576-49520FAGTapered Roller

K49576-49520 is a FAG tapered roller bearing, bore 44.45 mm, O.D. 101.6 mm, width 31.75 mm. Dimensions, drawing, interchanges and price.

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Bore d44.45mm
Outside dia. D101.6mm
Width B31.75mm
Dynamic Cr108kN
Static C0r132kN
Limiting speed7,200rpm
Weight1.27kg
Cr / C0r0.82
Mean dia. dm73mm

Original catalogue drawing - FAG Schaeffler HR 1, page 618

K49576-49520 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. D101.6 mmBore d44.45 mmWidth B31.75 mmCup width C25.4 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 diameter44.451.75
DOutside diameter101.64
BInner-ring / bearing width31.751.25
TOverall assembly width31.751.25
CCup / outer-ring width25.41

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)44.45
Outside dia. D (mm)101.6
Width B (mm)31.75
Overall width T (mm)31.75
Cup width C (mm)25.4
Inner-ring OD d1 (mm)76.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)24279
Basic static load rating Cor (lbs)29675
Basic dynamic load rating Cr (N)108000
Basic static load rating C0r (N)132000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)16100
Factor e0.4
Factor Y1.5
Factor Y00.82
Limiting speed nG (rpm)7,200
Effective load centre a (mm)25

Weight

Weight (kg)1.27

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)0.8
Shaft shoulder da (mm)54
Shaft shoulder db (mm)55
Housing shoulder Da (mm)88
Housing shoulder Db (mm)96
Housing fillet ra max (mm)0.8
Fillet rb max (mm)3.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,400 rpm
427,000102706
618,0003922,726
813,5001,0247,111
1010,8002,15414,961
157,2008,32357,802

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 108,000 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.618 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
49576/49520TimkenTapered Roller44.45101.631.75157 kN1.25

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
AK33885-33822-XLFAGTapered Roller44.4595.2528.57131 kN1
K25581-25520FAGTapered Roller44.4582.9325.481 kN0.561
K355-X-352FAGTapered Roller44.4590.1221.6974 kN0.694
K3782-3720-XLFAGTapered Roller44.4593.2630.3123 kN0.976
K49175-49368FAGTapered Roller44.4593.6631.75109 kN1.02
K535-532-AFAGTapered Roller44.45111.1236.96146 kN1.88
KHM803149-HM803110FAGTapered Roller44.4588.929.3793 kN0.86
KHM804842-HM804810FAGTapered Roller44.4595.2529.37111 kN1.13

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