SIFT BEARING STORE CATALOG

KLM12749-LM12710FAGTapered Roller

KLM12749-LM12710 is a FAG tapered roller bearing, bore 21.99 mm, O.D. 45.24 mm, width 16.64 mm. Dimensions, drawing, interchanges and price.

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Bore d21.99mm
Outside dia. D45.24mm
Width B16.64mm
Dynamic Cr28kN
Static C0r31.5kN
Limiting speed17,000rpm
Weight0.12kg
Cr / C0r0.89
Mean dia. dm33.6mm

Original catalogue drawing - FAG Schaeffler HR 1, page 494

KLM12749-LM12710 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. D45.24 mmBore d21.99 mmWidth B16.64 mmCup width C12.06 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 diameter21.9860.8656
DOutside diameter45.2371.781
BInner-ring / bearing width16.6370.655
TOverall assembly width15.4940.61
CCup / outer-ring width12.0650.475

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)21.986
Outside dia. D (mm)45.237
Width B (mm)16.637
Overall width T (mm)15.494
Cup width C (mm)12.065
Inner-ring OD d1 (mm)34.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)6295
Basic static load rating Cor (lbs)7081
Basic dynamic load rating Cr (N)28000
Basic static load rating C0r (N)31500
Basic dynamic axial rating Ca (N)3
Fatigue limit load Cur (N)3550
Factor e0.31
Factor Y1.96
Factor Y01.08
Limiting speed nG (rpm)17,000
Effective load centre a (mm)10

Weight

Weight (kg)0.12

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)1.3
Shaft shoulder da (mm)26
Shaft shoulder db (mm)27.5
Housing shoulder Da (mm)39.5
Housing shoulder Db (mm)42
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
47,000102564
64,6673922,181
83,5001,0245,689
102,8002,15411,969
151,8678,32346,241

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 28,000 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
LM12749/LM12710NSKTapered Roller2245.2416.646,570 lbs0.113
LM12749/LM12710TimkenTapered Roller21.9945.2416.6438.6 kN0.12

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
KLM12749-LM12711FAGTapered Roller21.9945.9716.6428 kN0.13

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
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
KM12649-M12610FAGTapered Roller21.4350.0118.2937 kN0.163
KLM72849-LM72810FAGTapered Roller22.614715.523.7 kN0.129
30204-AFAGTapered Roller20471426.5 kN0.092

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