SIFT BEARING STORE CATALOG

KM12649-M12610FAGTapered Roller

KM12649-M12610 is a FAG tapered roller bearing, bore 21.43 mm, O.D. 50.01 mm, width 18.29 mm. Dimensions, drawing, interchanges and price.

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Bore d21.43mm
Outside dia. D50.01mm
Width B18.29mm
Dynamic Cr37kN
Static C0r38kN
Limiting speed17,000rpm
Weight0.163kg
Cr / C0r0.97
Mean dia. dm35.7mm

Original catalogue drawing - FAG Schaeffler HR 1, page 494

KM12649-M12610 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. D50.01 mmBore d21.43 mmWidth B18.29 mmCup width C13.97 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 diameter21.430.8437
DOutside diameter50.0051.9687
BInner-ring / bearing width18.2880.72
TOverall assembly width17.5260.69
CCup / outer-ring width13.970.55

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)21.43
Outside dia. D (mm)50.005
Width B (mm)18.288
Overall width T (mm)17.526
Cup width C (mm)13.97
Inner-ring OD d1 (mm)34.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)8318
Basic static load rating Cor (lbs)8543
Basic dynamic load rating Cr (N)37000
Basic static load rating C0r (N)38000
Basic dynamic axial rating Ca (N)4
Fatigue limit load Cur (N)4400
Factor e0.28
Factor Y2.16
Factor Y01.19
Limiting speed nG (rpm)17,000
Effective load centre a (mm)11

Weight

Weight (kg)0.163

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)1.3
Shaft shoulder da (mm)25.5
Shaft shoulder db (mm)27.5
Housing shoulder Da (mm)44
Housing shoulder Db (mm)46
Housing fillet ra max (mm)1.3
Fillet rb max (mm)1.3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 3,000 rpm
49,250102564
66,1673922,181
84,6251,0245,689
103,7002,15411,969
152,4678,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 37,000 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.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
M12649/M12610NSKTapered Roller21.4350.0118.298,680 lbs0.168
M12649/M12610TimkenTapered Roller21.4350.0118.2952.2 kN0.17

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
KLM12749-LM12710FAGTapered Roller21.9945.2416.6428 kN0.12
KLM12749-LM12711FAGTapered Roller21.9945.9716.6428 kN0.13
303/22FAGTapered Roller22561638 kN0.21
320/22-XFAGTapered Roller22441524.8 kN0.11
329/22FAGTapered Roller22401216 kN0.065
T2ED022FAGTapered Roller22522247.5 kN0.239
T4CB022FAGTapered Roller22471423.3 kN0.109
KLM72849-LM72810FAGTapered Roller22.614715.523.7 kN0.129

Request a quotation for KM12649-M12610

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