SIFT BEARING STORE CATALOG

KLM78349-LM78310-AFAGTapered Roller

KLM78349-LM78310-A is a FAG tapered roller bearing, bore 34.99 mm, O.D. 61.97 mm, width 17 mm. Dimensions, drawing, interchanges and price.

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Bore d34.99mm
Outside dia. D61.97mm
Width B17mm
Dynamic Cr38kN
Static C0r49kN
Limiting speed11,800rpm
Weight0.2kg
Cr / C0r0.78
Mean dia. dm48.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 616

KLM78349-LM78310-A 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. D61.97 mmBore d34.99 mmWidth B17 mmCup width C13.6 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 diameter34.9881.3775
DOutside diameter61.9732.4399
BInner-ring / bearing width170.6693
TOverall assembly width16.70.6575
CCup / outer-ring width13.60.5354

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)34.988
Outside dia. D (mm)61.973
Width B (mm)17
Overall width T (mm)16.7
Cup width C (mm)13.6
Inner-ring OD d1 (mm)49.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)8543
Basic static load rating Cor (lbs)11016
Basic dynamic load rating Cr (N)38000
Basic static load rating C0r (N)49000
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)5700
Factor e0.44
Factor Y1.35
Factor Y00.74
Limiting speed nG (rpm)11,800
Effective load centre a (mm)14

Weight

Weight (kg)0.2

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)40
Shaft shoulder db (mm)46
Housing shoulder Da (mm)54
Housing shoulder Db (mm)59
Housing fillet ra max (mm)3.6
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
49,500102564
66,3333922,181
84,7501,0245,689
103,8002,15411,969
152,5338,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 38,000 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.616 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
LM78349/LM78310ATimkenTapered Roller34.9961.971742.5 kN0.19
LM78349/LM78310CTimkenTapered Roller34.9961.971742.5 kN0.2
LM78349A/LM78310ATimkenTapered Roller34.9961.971750.4 kN0.2
LM78349A/LM78310CTimkenTapered Roller34.9961.971750.4 kN0.21

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
KLM78349-A-LM78310-CFAGTapered Roller34.9961.971738 kN0.215

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
KLM78349-A-LM78310-CFAGTapered Roller34.9961.971738 kN0.215

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
KL68149-L68110FAGTapered Roller34.9959.1316.7633 kN0.171
KL68149-L68111FAGTapered Roller34.9959.9716.7634 kN0.179
30207-AFAGTapered Roller35721753 kN0.334
30207-XLFAGTapered Roller35721764 kN0.336
30307-AFAGTapered Roller35802175 kN0.573
31307-AFAGTapered Roller35802160 kN0.582
31307-A-N11CA-A40-70FAGTapered Roller3580None102 kN1.13
32007-XFAGTapered Roller35621845.5 kN0.257

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