SIFT BEARING STORE CATALOG

KLM503349-LM503310FAGTapered Roller

KLM503349-LM503310 is a FAG tapered roller bearing, bore 45.99 mm, O.D. 74.98 mm, width 18 mm. Dimensions, drawing, interchanges and price.

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Bore d45.99mm
Outside dia. D74.98mm
Width B18mm
Dynamic Cr47.5kN
Static C0r65kN
Limiting speed9,000rpm
Weight0.306kg
Cr / C0r0.73
Mean dia. dm60.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 494

KLM503349-LM503310 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. D74.98 mmBore d45.99 mmWidth B18 mmCup width C14 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 diameter45.9871.8105
DOutside diameter74.9852.9522
BInner-ring / bearing width180.7087
TOverall assembly width180.7087
CCup / outer-ring width140.5512

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)45.987
Outside dia. D (mm)74.985
Width B (mm)18
Overall width T (mm)18
Cup width C (mm)14
Inner-ring OD d1 (mm)61.9

Load ratings & speeds

Basic dynamic load rating Cr (lbs)10678
Basic static load rating Cor (lbs)14613
Basic dynamic load rating Cr (N)47500
Basic static load rating C0r (N)65000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)7800
Factor e0.4
Factor Y1.49
Factor Y00.82
Limiting speed nG (rpm)9,000
Effective load centre a (mm)16

Weight

Weight (kg)0.306

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)2.3
Shaft shoulder da (mm)51
Shaft shoulder db (mm)55
Housing shoulder Da (mm)67
Housing shoulder Db (mm)71
Housing fillet ra max (mm)2.3
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
411,875102564
67,9173922,181
85,9381,0245,689
104,7502,15411,969
153,1678,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 47,500 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.494 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
LM503349/LM503310TimkenTapered Roller45.9974.9818-0.3
LM503349A/LM503310TimkenTapered Roller45.9974.971867.4 kN0.29

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
KLM503349-A-LM503310FAGTapered Roller45.9974.971848.5 kN0.3
KLM503349A-LM503310FAGTapered Roller45.9974.981847.5 kN0.324

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
KLM503349-A-LM503310FAGTapered Roller45.9974.971848.5 kN0.3

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
KHM204049-HM204010FAGTapered Roller45.9990.9732117 kN0.958
KLM503349A-LM503310FAGTapered Roller45.9974.981847.5 kN0.324
K359-S-354-XFAGTapered Roller46.048521.6974 kN0.694
K25590-25522FAGTapered Roller45.6283.0625.481 kN0.577
KLM102949-LM102910FAGTapered Roller45.2473.4319.8157 kN0.316
KLM603049-LM603011FAGTapered Roller45.2477.7919.8454 kN0.367
KLM603049-LM603012FAGTapered Roller45.2477.7919.8455 kN0.38
KLM603049-LM603014FAGTapered Roller45.248019.8455 kN0.399

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