SIFT BEARING STORE CATALOG

KHM907643-HM907614FAGTapered Roller

KHM907643-HM907614 is a FAG tapered roller bearing, bore 50.8 mm, O.D. 111.12 mm, width 28.57 mm. Dimensions, drawing, interchanges and price.

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Bore d50.8mm
Outside dia. D111.12mm
Width B28.57mm
Dynamic Cr106kN
Static C0r140kN
Limiting speed6,300rpm
Weight1.4kg
Cr / C0r0.76
Mean dia. dm81mm

Original catalogue drawing - FAG Schaeffler HR 1, page 620

KHM907643-HM907614 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. D111.12 mmBore d50.8 mmWidth B28.57 mmCup width C20.64 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 diameter50.82
DOutside diameter111.1254.375
BInner-ring / bearing width28.5751.125
TOverall assembly width30.1631.1875
CCup / outer-ring width20.6380.8125

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)50.8
Outside dia. D (mm)111.125
Width B (mm)28.575
Overall width T (mm)30.163
Cup width C (mm)20.638
Inner-ring OD d1 (mm)85.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)23830
Basic static load rating Cor (lbs)31473
Basic dynamic load rating Cr (N)106000
Basic static load rating C0r (N)140000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)16900
Factor e0.88
Factor Y0.68
Factor Y00.37
Limiting speed nG (rpm)6,300
Effective load centre a (mm)37

Weight

Weight (kg)1.4

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)65.3
Shaft shoulder db (mm)74
Housing shoulder Da (mm)91
Housing shoulder Db (mm)105
Housing fillet ra max (mm)3.6
Fillet rb max (mm)3.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,100 rpm
426,500102806
617,6673923,115
813,2501,0248,127
1010,6002,15417,099
157,0678,32366,059

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 106,000 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.620 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
HM907643/HM907614TimkenTapered Roller50.8111.1228.57123 kN1.35

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
K33889-33822FAGTapered Roller50.895.2528.57107 kN0.861
K368-362-AFAGTapered Roller50.888.922.2372 kN0.516
K368-A-362-AFAGTapered Roller50.888.922.2372 kN0.555
K3780-3720FAGTapered Roller50.893.2630.3104 kN0.89
K45284-45220FAGTapered Roller50.8104.7830.96126 kN1.25
K4580-4535FAGTapered Roller50.8104.7840.16159 kN1.67
K537-532-XFAGTapered Roller50.8107.9536.96146 kN1.69
K72200-72487FAGTapered Roller50.8123.8332.79135 kN2.18

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