SIFT BEARING STORE CATALOG

KJM612949-JM612910FAGTapered Roller

KJM612949-JM612910 is a FAG tapered roller bearing, bore 70 mm, O.D. 115 mm, width 29 mm. Dimensions, drawing, interchanges and price.

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Bore d70mm
Outside dia. D115mm
Width B29mm
Dynamic Cr127kN
Static C0r178kN
Limiting speed6,000rpm
Weight1.13kg
Cr / C0r0.71
Mean dia. dm92.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 624

KJM612949-JM612910 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. D115 mmBore d70 mmWidth B29 mmCup width C23 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 diameter702.7559
DOutside diameter1154.5276
BInner-ring / bearing width291.1417
TOverall assembly width291.1417
CCup / outer-ring width230.9055

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)70
Outside dia. D (mm)115
Width B (mm)29
Overall width T (mm)29
Cup width C (mm)23
Inner-ring OD d1 (mm)92.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)28551
Basic static load rating Cor (lbs)40016
Basic dynamic load rating Cr (N)127000
Basic static load rating C0r (N)178000
Basic dynamic axial rating Ca (N)5
Fatigue limit load Cur (N)22000
Factor e0.43
Factor Y1.39
Factor Y00.77
Limiting speed nG (rpm)6,000
Effective load centre a (mm)26

Weight

Weight (kg)1.13

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3
Shaft shoulder da (mm)77
Shaft shoulder db (mm)83
Housing shoulder Da (mm)103
Housing shoulder Db (mm)110
Housing fillet ra max (mm)3
Fillet rb max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 2,000 rpm
431,750102847
621,1673923,271
815,8751,0248,533
1012,7002,15417,954
158,4678,32369,362

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 127,000 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.624 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
JM612949/JM612910TimkenTapered Roller7011529150 kN1.12

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30214-AFAGTapered Roller7012524130 kN1.31
30214-XLFAGTapered Roller7012524155 kN1.31
30314-AFAGTapered Roller7015035227 kN3.02
31314-AFAGTapered Roller7015035190 kN2.9
31314-A-N11CA-A100-140FAGTapered Roller70150None325 kN6.2
31314-XLFAGTapered Roller7015035221 kN2.96
32014-XFAGTapered Roller7011025103 kN0.967
32014-X-XLFAGTapered Roller7011025123 kN0.88

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