SIFT BEARING STORE CATALOG

KLM104949-LM104912FAGTapered Roller

KLM104949-LM104912 is a FAG tapered roller bearing, bore 50.8 mm, O.D. 82.93 mm, width 22.23 mm. Dimensions, drawing, interchanges and price.

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Bore d50.8mm
Outside dia. D82.93mm
Width B22.23mm
Dynamic Cr69kN
Static C0r94kN
Limiting speed8,700rpm
Weight0.432kg
Cr / C0r0.73
Mean dia. dm66.9mm

Original catalogue drawing - FAG Schaeffler HR 1, page 620

KLM104949-LM104912 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. D82.93 mmBore d50.8 mmWidth B22.23 mmCup width C16.51 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 diameter82.9313.265
BInner-ring / bearing width22.2250.875
TOverall assembly width21.590.85
CCup / outer-ring width16.510.65

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)82.931
Width B (mm)22.225
Overall width T (mm)21.59
Cup width C (mm)16.51
Inner-ring OD d1 (mm)66.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)15512
Basic static load rating Cor (lbs)21132
Basic dynamic load rating Cr (N)69000
Basic static load rating C0r (N)94000
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)11500
Factor e0.31
Factor Y1.97
Factor Y01.08
Limiting speed nG (rpm)8,700
Effective load centre a (mm)16

Weight

Weight (kg)0.432

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3.6
Shaft shoulder da (mm)55
Shaft shoulder db (mm)62
Housing shoulder Da (mm)75
Housing shoulder Db (mm)78
Housing fillet ra max (mm)3.6
Fillet rb max (mm)1.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,900 rpm
417,250102584
611,5003922,256
88,6251,0245,885
106,9002,15412,382
154,6008,32347,836

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 69,000 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
LM104949/LM104912TimkenTapered Roller50.882.9322.2396.3 kN0.43

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
KLM104949-LM104911FAGTapered Roller50.882.5522.2369 kN0.425

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

Request a quotation for KLM104949-LM104912

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