SIFT BEARING STORE CATALOG

31312-A-N11CA-A80-120FAGTapered Roller

31312-A-N11CA-A80-120 is a FAG tapered roller bearing, bore 60 mm, O.D. 130 mm, dynamic rating 250 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm
Outside dia. D130mm
Dynamic Cr250kN
Static C0r340kN
Weight4.2kg
Cr / C0r0.74
Mean dia. dm95mm

Original catalogue drawing - FAG Schaeffler HR 1, page 492

31312-A-N11CA-A80-120 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. D130 mmBore d60 mmWidth B35 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 diameter602.3622
DOutside diameter1305.1181

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)60
Outside dia. D (mm)130

Load ratings & speeds

Basic dynamic load rating Cr (lbs)56202
Basic static load rating Cor (lbs)76435
Basic dynamic load rating Cr (N)250000
Basic static load rating C0r (N)340000
Basic dynamic axial rating Ca (N)5
Fatigue limit load Cur (N)40000
Factor e0.83
Factor Y00.8

Weight

Weight (kg)4.2

Mounting dimensions (fillets / shoulders)

Shaft shoulder da (mm)73
Housing shoulder Da (mm)118
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
462,5001023,386
641,66739213,083
831,2501,02434,133
1025,0002,15471,814
1516,6678,323277,449

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 250,000 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
31312-AFAGTapered Roller6013031147 kN1.94
31312-XLFAGTapered Roller6013031173 kN1.94

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
30212-AFAGTapered Roller6011022102 kN0.919
30212-XLFAGTapered Roller6011022122 kN0.95
30212-XL-DF-A100-140FAGTapered Roller60110None210 kN1.97
30312-AFAGTapered Roller6013031176 kN2.02
30312-XLFAGTapered Roller6013031208 kN2.03
32012-XFAGTapered Roller60952380 kN0.614
32012-X-XLFAGTapered Roller60952397 kN0.61
32212-AFAGTapered Roller6011028133 kN1.18

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