SIFT BEARING STORE CATALOG

31314-A-N11CA-A100-140FAGTapered Roller

31314-A-N11CA-A100-140 is a FAG tapered roller bearing, bore 70 mm, O.D. 150 mm, dynamic rating 325 kN. Dimensions, drawing, interchanges and price.

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Bore d70mm
Outside dia. D150mm
Dynamic Cr325kN
Static C0r445kN
Weight6.2kg
Cr / C0r0.73
Mean dia. dm110mm

Original catalogue drawing - FAG Schaeffler HR 1, page 492

31314-A-N11CA-A100-140 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. D150 mmBore d70 mmWidth B40 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 diameter1505.9055

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)150

Load ratings & speeds

Basic dynamic load rating Cr (lbs)73063
Basic static load rating Cor (lbs)100040
Basic dynamic load rating Cr (N)325000
Basic static load rating C0r (N)445000
Basic dynamic axial rating Ca (N)5
Fatigue limit load Cur (N)52000
Factor e0.83
Factor Y00.8

Weight

Weight (kg)6.2

Mounting dimensions (fillets / shoulders)

Shaft shoulder da (mm)84
Housing shoulder Da (mm)138
Fillet rb max (mm)2.5

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 500 rpm
481,2501023,386
654,16739213,083
840,6251,02434,133
1032,5002,15471,814
1521,6678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 325,000 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.492 (dimensions)

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

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
31314-AFAGTapered Roller7015035190 kN2.9
31314-XLFAGTapered Roller7015035221 kN2.96

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30214-AFAGTapered Roller7012524130 kN1.31
30214-XLFAGTapered Roller7012524155 kN1.31
30314-AFAGTapered Roller7015035227 kN3.02
32014-XFAGTapered Roller7011025103 kN0.967
32014-X-XLFAGTapered Roller7011025123 kN0.88
32214-AFAGTapered Roller7012531163 kN1.82
32214-B-XLFAGTapered Roller7012531179 kN1.64
32214-XLFAGTapered Roller7012531194 kN1.81

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