SIFT BEARING STORE CATALOG

31314-AFAGTapered Roller

31314-A is a FAG tapered roller bearing, bore 70 mm, O.D. 150 mm, width 35 mm, dynamic rating 190 kN. Dimensions, drawing, interchanges and price.

Request a quoteEmail usSearch the catalog
Bore d70mm
Outside dia. D150mm
Width B35mm
Dynamic Cr190kN
Static C0r223kN
Limiting speed4,800rpm
Weight2.9kg
Cr / C0r0.85
Mean dia. dm110mm

Original catalogue drawing - FAG Schaeffler HR 1, page 482

31314-A 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 B35 mmCup width C25 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
BInner-ring / bearing width351.378
TOverall assembly width381.4961
CCup / outer-ring width250.9843

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
Width B (mm)35
Overall width T (mm)38
Cup width C (mm)25
Inner-ring OD d1 (mm)109

Load ratings & speeds

Basic dynamic load rating Cr (lbs)42714
Basic static load rating Cor (lbs)50132
Basic dynamic load rating Cr (N)190000
Basic static load rating C0r (N)223000
Basic dynamic axial rating Ca (N)5
Fatigue limit load Cur (N)26000
Factor e0.83
Factor Y0.73
Factor Y00.4
Limiting speed nG (rpm)4,800
Reference speed nB (rpm)4,000
Effective load centre a (mm)47

Weight

Weight (kg)2.9

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)3
Shaft shoulder da (mm)84
Shaft shoulder db (mm)82
Housing shoulder Da (mm)138
Housing shoulder Db (mm)141
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 1,600 rpm
447,5001021,058
631,6673924,089
823,7501,02410,667
1019,0002,15422,442
1512,6678,32386,703

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 190,000 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.482 (dimensions)

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

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
1314NSKBall701503516,900 lbs3.08
6314NSKBall701503523,400 lbs2.499
7314BNSKBall701503524,300 lbs2.998
BL314NSKBall701503530,700 lbs2.826
314NSKCylindrical Roller701503535,400 lbs2.722
NU314NSKCylindrical Roller7015035195 kN2.75
NU314ENSKCylindrical Roller7015035252 kN3.09
21314EAE4NSKSpherical Roller7015035310 kN3
30314CNSKTapered Roller701503545,200 lbs2.812
3200NSKTapered Roller7015035236 kN2.94

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
1314-MFAGBall701503575 kN3.22
6314FAGBall7015035115 kN2.55
6314-2RSRFAGBall7015035115 kN2.6
6314-2ZFAGBall7015035115 kN2.6
QJ314-MPAFAGBall7015035183 kN3.29
QJ314-XL-MPAFAGBall7015035198 kN3.29
N314-E-TVP2FAGCylindrical Roller7015035242 kN2.79
N314-E-XL-TVP2FAGCylindrical Roller7015035242 kN2.79

Series variants (different suffix)

DesignationBrandTypedDB/TDyn. ratingkg
31314-A-N11CA-A100-140FAGTapered Roller70150None325 kN6.2
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

Request a quotation for 31314-A

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.